CA2381825C - Pattern coated adhesive article - Google Patents
Pattern coated adhesive article Download PDFInfo
- Publication number
- CA2381825C CA2381825C CA002381825A CA2381825A CA2381825C CA 2381825 C CA2381825 C CA 2381825C CA 002381825 A CA002381825 A CA 002381825A CA 2381825 A CA2381825 A CA 2381825A CA 2381825 C CA2381825 C CA 2381825C
- Authority
- CA
- Canada
- Prior art keywords
- adhesive
- article
- backing layer
- pressure sensitive
- sensitive adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/02—Adhesive plasters or dressings
- A61F13/023—Adhesive plasters or dressings wound covering film layers without a fluid handling layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
- B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0076—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised in that the layers are not bonded on the totality of their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1462—Polymer derived from material having at least one acrylic or alkacrylic group or the nitrile or amide derivative thereof [e.g., acrylamide, acrylate ester, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1471—Protective layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/1486—Ornamental, decorative, pattern, or indicia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/14—Layer or component removable to expose adhesive
- Y10T428/149—Sectional layer removable
- Y10T428/1495—Adhesive is on removable layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate layer is discontinuous or differential
- Y10T428/2486—Intermediate layer is discontinuous or differential with outer strippable or release layer
Abstract
The invention relates to an adhesive article (30) comprising at least one backing layer (31) with a first and second surface and a pressure sensitive adhesive layer (32) adhered to the first surface of the backing layer (31) in a pattern, wherein the pattern of the adhesive layer (32) has an adhesive free area (33) of less than about 25 % and wherein the adhesive article (30) has a water vapor transmission rate of greater than about 2000g/sqm/24 hour. The invention also relates to a method of forming an adhesive article (30) comprising (a) providing a release liner (34), (b) applying pressure sensitive adhesive (32) in a pattern wherein the free adhesive area (33) is less than 25 %, and (c) applying a backing layer (31) to the pressure sensitive adhesive (32).
Description
.~~
Title: PATTERN COATED ADHESIVE ARTICLE
Technical Field This invention relates to a highly breathable pressure sensitive adhesive article, such as a bandage or tape. More particularly, the invention relates to a pressure sensitive adhesive article having both good adhesion and high moisture vapor transmission rate characteristics. In one embodiment, the adhesive article has a backing layer and a rubber based pressure sensitive adhesive.
Background of the Invention to Adhesive articles, such as bandages and tapes, are well known in the art and are commonly used as first aid wound dressings and other medical applications.
Conventional adhesive bandages contain a central pad area (padstock) surrounded by adhesive areas. Particularly, adhesive bandages or tapes generally contain an elongated strip of cloth or plastic backing layer which has a pressure sensitive adhesive coated on one surface. A gauze or sponge pad is secured to the adhesive surface in a central location thereby serving as a wound covering material.
The wound facing surface of the pad may be plastic coated or otherwise treated to prevent the padstock from adhering to the wound. Release strips are placed over the adhesive areas and typically the wound covering padstock and the entire assembly is enclosed in a sealed package and sterilized so as to be ready for use.
A disadvantage of adhesive articles in medical application is maceration.
Normal human skin releases about 500 g/m2/24 hours of water in a resting state.
When the water released by the skin is unable to evaporate then the skin becomes white in color and prune-like in appearance. After some time, the integrity of the =25 skin could be weakened. Also the time for healing is the wound is often extended.
Title: PATTERN COATED ADHESIVE ARTICLE
Technical Field This invention relates to a highly breathable pressure sensitive adhesive article, such as a bandage or tape. More particularly, the invention relates to a pressure sensitive adhesive article having both good adhesion and high moisture vapor transmission rate characteristics. In one embodiment, the adhesive article has a backing layer and a rubber based pressure sensitive adhesive.
Background of the Invention to Adhesive articles, such as bandages and tapes, are well known in the art and are commonly used as first aid wound dressings and other medical applications.
Conventional adhesive bandages contain a central pad area (padstock) surrounded by adhesive areas. Particularly, adhesive bandages or tapes generally contain an elongated strip of cloth or plastic backing layer which has a pressure sensitive adhesive coated on one surface. A gauze or sponge pad is secured to the adhesive surface in a central location thereby serving as a wound covering material.
The wound facing surface of the pad may be plastic coated or otherwise treated to prevent the padstock from adhering to the wound. Release strips are placed over the adhesive areas and typically the wound covering padstock and the entire assembly is enclosed in a sealed package and sterilized so as to be ready for use.
A disadvantage of adhesive articles in medical application is maceration.
Normal human skin releases about 500 g/m2/24 hours of water in a resting state.
When the water released by the skin is unable to evaporate then the skin becomes white in color and prune-like in appearance. After some time, the integrity of the =25 skin could be weakened. Also the time for healing is the wound is often extended.
Rubber based pressure sensitive adhesives have the advantages of high adhesion and relatively low cost. The high adhesion is achieved without application of significant amounts of pressure. However, rubber based adhesives can be disadvantageous because they have inherently low breathability (i.e. low moisture vapor transmission rate (MVTR)). Therefore, such disadvantageous properties make rubber based adhesives generally unsuitable for skin contacting bandage applications.
U.S. Patent 5,244,457 relates to a vented wound dressing made of a thin vapor-permeable sheet material having a pressure sensitive adhesive coating, the coating having repeating adhesive free areas. The adhesive covers at least 50%
of the surface area of the thin vapor-permeable sheet material.
U.S. Patent 5,641,506 relates to a medical patch material made of a support coated with a pressure sensitive hot melt adhesive coating using the gravure printing method. The medical patch material requires an adhesive-free area of at least 30% (between 30% and 60%), an adhesive coat weight between 30 and 160 g/mz, and a block copolymer adhesive having certain properties to achieve an MVTR of at least 2,000 g/m2/24 hours.
Canadian Patent 2,045,247 relates to a wound dressing made of a thin film carrying a discontinuous coating of a pressure sensitive adhesive, such as a rubber-based pressure sensitive adhesive, in such a manner so as to define adhesive -free areas. The film has an MVTR of at least 50 g/m2/24 hours, and preferably 500 g/m2/24 hours.
Summary of the Invention The invention relates to an adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered to the first surface of the backing layei +n a pattern, wherein the pattern of the adhesive layer has an adhesive-free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive.
The present invention provides for an adhesive article that strongly adheres to human skin while permitting water vapor transmission there through; thus, not causing or exacerbating wound and skin problems. Accordingly the present invention also provides methods of facilitating the healing of wounds using the adhesive article. The present invention achieves MVTR values of greater than about 2000 g/mZ/24 hours with adhesive-free areas of less than about 25%. Not only is high breathability achieved, but also the high level of adhesive coverage allows for improved adhesion to skin due to greater surface contact between adhesive and skin.
This invention relates to a highly breathable pressure sensitive adhesive bandage that is manufactured using pattern coating of an inexpensive, non-breathable pressure sensitive adhesive. High breathability, as measured by moisture vapor transmission rate (MVTR), is desirable features of an adhesive bandage in order to prevent maceration of the skin due to trapped moisture, and to enhance comfort during wear of the bandage by the end user.
Brief Description of the Drawings Fig I is a top view of the backing layer and the patterned adhesive.
Fig 2 is a top view of the backing layer and the patterned adhesive.
Fig 3 is a cross sectional view of the adhesive article.
Fig 4 is a cross sectional area of the adhesive article with the wound covering layer.
Detailed Description of the Invention As discussed above the adhesive articles are useful as medical bandages and/or medical tapes. The articles have a moisture vapor transmission rate of at least about 2000 g/m2/24 hour. In one embodiment, the moisture vapor transmission rate is at least about 2500 g/mz/24 hour. In another embodiment, the moisture vapor transmission rate is at least about 3000 g/m2/24 hour, and in yet another embodiment, at least about 5000 g/m2/24 hour. The present articles even have vapor transmission rates of 7,000 g/m2/24 hour or higher. The water vapor transmission rate is determined by ASTM F-1249-90.
The articles also have an adhesive-free area of less than about 25%. In one embodiment, the adhesive-free area is in the range of about 5% to about 25%.
In another embodiment, the adhesive-free area is in the range of about 7% to about 20%, and in another embodiment, in the range of about 8% to about 17%. In yet another embodiment, the adhesive-free area is in the range of about 10% to about 15%. Here and elsewhere in the claims and specification, the range and ratio limits may be combined.
The adhesive-free area is determined by actual measurement of the areas of the backing layer that are free of adhesive. It is recognized that the adhesive can flow some during application. The term "adhesive-free" refers to the part of the article which is the exposed backing layer without adhesive. The adhesive-free area is determined by using an Olympus SZH zoom stereo telescope and Image-Pro Plus software. A Pulnix video camera, and television monitor are used to capture the image and the software is used to measure the part of the backing area without adhesive. The area of the backing layer that is adhesive-free is divided by the total area of the backing layer sample and multiplied by 100 to yield the adhesive-free area of the sample.
The adhesive articles according to the present invention contain a backing layer having a first and second side. An adhesive is adhered to the first side of the backing layer in a pattern. To achieve high MVTR, the adhesive is applied to the film backing in a discontinuous pattern so that there are adhesive coated areas and adhesive-free areas. The adhesive coated areas allow for adhesion of the bandage to the skin, while the adhesive-free areas allow moisture vapor to pass through, thereby simultaneously achieving high breathability and good wear performance using relatively low cost materials.
The backing layer material may be any suitable polymeric film, plastic foam (including open celled foam), a woven fabric, knitted fabric or a non-woven fabric.
The fabrics may be natural or synthetic materials. The backing layer possesses at least some breathability.
In one embodiment, a porous backing layer is employed. For example, in one embodiment, the backing layer is an apertured polymeric film, such as polyolefin film, a non-woven, cloth fabric, or the like. It is noted that the discontinuous adhesive pattern according to the invention also enhances the breathability of 5 products that do not have porous backings, as long as the backing itself has some inherent breathability, such as in the case with polyurethane films. When an apertured film or foam is used, a plurality of apertures aligns with the adhesive free areas. In one embodiment, there are from about 2 to about 15 apertures per each adhesive-free area. In another embodiment, there are about 3 to about 8, or from 4 to about 6 apertures per each adhesive-free area.
Examples of materials suitable for use as a backing layer or strip include polyolefins, such as polyethylene, polypropylene, ethylene propylene copolymers, and ethylene butylene copolymers, polyurethanes, polyurethane foams, polystyrenes, plasticized polyvinylchiorides, polyesters, polyamides, and cotton.
The plastic film may be in the form of a sheet or foam strip. Specific examples include Platilon U04, which is a polyurethane film having a thickness of about micron manufactured by Atochem. Another useful and preferred backing layer is a 3.3. mil apertured polyolefin film, available commercially from Tredegar Film Products under the trade name X6989.
The backing layer is preferably flexible yet resistant to tearing. In one embodiment, the thickness of the backing layer of the adhesive article of the present invention is from about 0.1 mil to about 50 mils. In another embodiment, the thickness of the backing layer is from about 0.5 mil to about 20. In another embodiment, the thickness of the backing layer is from about 0.7 mil to about mils. In yet another embodiment, the thickness of the backing layer is from about 1 mil to about 5 mils.
The backing layer may be opaque or translucent. Normally it has a skin color, but "designer" colors and patterns, as well as cartoon character designs, are becoming popular. It may be solid or porous, permeable or perforated, as adapted for the requirements of the product application, as well as being a function of the composition and form of the backing material. In one embodiment, the adhesive article is pigmented and reduces the visibility of the pattern coating.
In one embodiment, the backing layer is substantially impervious to liquid, especially wound exudate. In yet another embodiment, the backing layer is substantially impervious to bacteria. In another embodiment, the backing layer is capable of absorbing liquid, especially wound exudate. In another embodiment, perforations or small apertures in the backing layer facilitate high breathability.
The adhesive of the present invention forms a pattern on the backing layer.
The adhesive may be applied in any number of patterns. For example, one potential pattern would be a sine wave using either a smooth pattern (rounded waves) or a sharp pattern (triangle shaped waves) closely packed together. In a preferred embodiment, the adhesive forms a continuous network so that the adhesive-free areas are not interconnected. In this embodiment, moisture is substantially prevented from seeping into and under the bandage through adhesive free channels at the edges of the bandage during wear. Additionally, adhesive article is less likely to fall off from the adverse affects of moisture. Moreover, this embodiment minimizes having adhesive-free areas around the edge of the bandage that could decrease adhesion performance by creating a site for edge lift. The adhesive layer is typically present in coat weight from about 10 to about 80, or from about 15 to about 70, or from about 20 to 60 grams per square meter (gsm).
For example, one specific embodiment of a preferred adhesive pattern would be that of a "honeycomb" design. The "honeycc.,mb" design may be achieved in any suitable manner using various adhesive-free shapes in various configurations.
For example, the adhesive-free areas are in the form of circular dots, hexagonal dots, square dots, or any geometrical shape. These dots are configured so that they line up in rows or are offset between rows. In a preferred embodiment, the hexagonal dot that is offset between rows tends to achieve the desired balance between adhesion coverage and adhesive-free areas.
The adhesive article may be further described by reference to the accompanying drawings. Fig. 1 has adhesive article 10 with the backing layer containing adhesive layer 11 and adhesive free area 12. The pattern may by prepared by any means know to those in the art. The pattern could be formed by spraying the pressure sensitive adhesive or by melt blowing the pressure sensitive adhesive. The pattern could be formed by printing the adhesive. The printing may be any means that can form the pattern. Examples of useful printing means include gravure, lithographic, screen, or flexographic printing.
As stated above, suitable techniques to apply the adhesive in this discontinuous pattern include gravure coating, spray coating, melt blowing, flexographic printing such as offset flexographic printing or screen printing of adhesives. An added benefit of the printing techniques is the potential to design areas of concentrated adhesive for particular effects. For example, more adhesive could be applied only in the portion of the bandage that receives the padstock to aid in adherence of the padstock to the backing material. This embodiment is further illustrated in Fig 2. Article 20 has adhesive layer 21 and adhesive free areas 22.
In region 23, there is a higher level of adhesive to provide better adhesion of the wound covering layer.
The adhesive of the present medical bandage or tape may be any medical grade adhesive. The medical adhesives include suitable acrylic based pressure sensitive adhesives (PSAs), suitable rubber based pressure sensitive adhesives and suitable silicone pressure sensitive adhesives.
Useful rubber based PSAs include those taught in U.S. Pat. No. 5,705,551 (Sasaki et al.) and in U.S. Patent No. 4,080,348 (Korpman).
Examples of polymeric rubber bases include one or more of styrene-isoprene-styrene polymers, styrene-olefin-styrene polymers including styrene-ethylene/propylene-styrene polymers, polyisobutylene, styrene-butadiene-styrene polymers, polyisoprene, polybutadiene, natural rubber, silicone rubber, acrylonitrile rubber, nitrile rubber, polyurethane rubber, polyisobutylene rubber, butyl rubber, halobutyl rubber including bromobutyl rubber, butadiene-acrylonitrile rubber, polychloroprene, and styrene-butadiene rubber.
A particularly useful rubber based adhesive is that which has a thermoplastic elastomeric component and a resin component. The thermoplastic elastomeric component contains about 55-85 parts of a simple A-B block copolymer wherein the ~ CA 02381825 2007-02-01 ~
U.S. Patent 5,244,457 relates to a vented wound dressing made of a thin vapor-permeable sheet material having a pressure sensitive adhesive coating, the coating having repeating adhesive free areas. The adhesive covers at least 50%
of the surface area of the thin vapor-permeable sheet material.
U.S. Patent 5,641,506 relates to a medical patch material made of a support coated with a pressure sensitive hot melt adhesive coating using the gravure printing method. The medical patch material requires an adhesive-free area of at least 30% (between 30% and 60%), an adhesive coat weight between 30 and 160 g/mz, and a block copolymer adhesive having certain properties to achieve an MVTR of at least 2,000 g/m2/24 hours.
Canadian Patent 2,045,247 relates to a wound dressing made of a thin film carrying a discontinuous coating of a pressure sensitive adhesive, such as a rubber-based pressure sensitive adhesive, in such a manner so as to define adhesive -free areas. The film has an MVTR of at least 50 g/m2/24 hours, and preferably 500 g/m2/24 hours.
Summary of the Invention The invention relates to an adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered to the first surface of the backing layei +n a pattern, wherein the pattern of the adhesive layer has an adhesive-free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive.
The present invention provides for an adhesive article that strongly adheres to human skin while permitting water vapor transmission there through; thus, not causing or exacerbating wound and skin problems. Accordingly the present invention also provides methods of facilitating the healing of wounds using the adhesive article. The present invention achieves MVTR values of greater than about 2000 g/mZ/24 hours with adhesive-free areas of less than about 25%. Not only is high breathability achieved, but also the high level of adhesive coverage allows for improved adhesion to skin due to greater surface contact between adhesive and skin.
This invention relates to a highly breathable pressure sensitive adhesive bandage that is manufactured using pattern coating of an inexpensive, non-breathable pressure sensitive adhesive. High breathability, as measured by moisture vapor transmission rate (MVTR), is desirable features of an adhesive bandage in order to prevent maceration of the skin due to trapped moisture, and to enhance comfort during wear of the bandage by the end user.
Brief Description of the Drawings Fig I is a top view of the backing layer and the patterned adhesive.
Fig 2 is a top view of the backing layer and the patterned adhesive.
Fig 3 is a cross sectional view of the adhesive article.
Fig 4 is a cross sectional area of the adhesive article with the wound covering layer.
Detailed Description of the Invention As discussed above the adhesive articles are useful as medical bandages and/or medical tapes. The articles have a moisture vapor transmission rate of at least about 2000 g/m2/24 hour. In one embodiment, the moisture vapor transmission rate is at least about 2500 g/mz/24 hour. In another embodiment, the moisture vapor transmission rate is at least about 3000 g/m2/24 hour, and in yet another embodiment, at least about 5000 g/m2/24 hour. The present articles even have vapor transmission rates of 7,000 g/m2/24 hour or higher. The water vapor transmission rate is determined by ASTM F-1249-90.
The articles also have an adhesive-free area of less than about 25%. In one embodiment, the adhesive-free area is in the range of about 5% to about 25%.
In another embodiment, the adhesive-free area is in the range of about 7% to about 20%, and in another embodiment, in the range of about 8% to about 17%. In yet another embodiment, the adhesive-free area is in the range of about 10% to about 15%. Here and elsewhere in the claims and specification, the range and ratio limits may be combined.
The adhesive-free area is determined by actual measurement of the areas of the backing layer that are free of adhesive. It is recognized that the adhesive can flow some during application. The term "adhesive-free" refers to the part of the article which is the exposed backing layer without adhesive. The adhesive-free area is determined by using an Olympus SZH zoom stereo telescope and Image-Pro Plus software. A Pulnix video camera, and television monitor are used to capture the image and the software is used to measure the part of the backing area without adhesive. The area of the backing layer that is adhesive-free is divided by the total area of the backing layer sample and multiplied by 100 to yield the adhesive-free area of the sample.
The adhesive articles according to the present invention contain a backing layer having a first and second side. An adhesive is adhered to the first side of the backing layer in a pattern. To achieve high MVTR, the adhesive is applied to the film backing in a discontinuous pattern so that there are adhesive coated areas and adhesive-free areas. The adhesive coated areas allow for adhesion of the bandage to the skin, while the adhesive-free areas allow moisture vapor to pass through, thereby simultaneously achieving high breathability and good wear performance using relatively low cost materials.
The backing layer material may be any suitable polymeric film, plastic foam (including open celled foam), a woven fabric, knitted fabric or a non-woven fabric.
The fabrics may be natural or synthetic materials. The backing layer possesses at least some breathability.
In one embodiment, a porous backing layer is employed. For example, in one embodiment, the backing layer is an apertured polymeric film, such as polyolefin film, a non-woven, cloth fabric, or the like. It is noted that the discontinuous adhesive pattern according to the invention also enhances the breathability of 5 products that do not have porous backings, as long as the backing itself has some inherent breathability, such as in the case with polyurethane films. When an apertured film or foam is used, a plurality of apertures aligns with the adhesive free areas. In one embodiment, there are from about 2 to about 15 apertures per each adhesive-free area. In another embodiment, there are about 3 to about 8, or from 4 to about 6 apertures per each adhesive-free area.
Examples of materials suitable for use as a backing layer or strip include polyolefins, such as polyethylene, polypropylene, ethylene propylene copolymers, and ethylene butylene copolymers, polyurethanes, polyurethane foams, polystyrenes, plasticized polyvinylchiorides, polyesters, polyamides, and cotton.
The plastic film may be in the form of a sheet or foam strip. Specific examples include Platilon U04, which is a polyurethane film having a thickness of about micron manufactured by Atochem. Another useful and preferred backing layer is a 3.3. mil apertured polyolefin film, available commercially from Tredegar Film Products under the trade name X6989.
The backing layer is preferably flexible yet resistant to tearing. In one embodiment, the thickness of the backing layer of the adhesive article of the present invention is from about 0.1 mil to about 50 mils. In another embodiment, the thickness of the backing layer is from about 0.5 mil to about 20. In another embodiment, the thickness of the backing layer is from about 0.7 mil to about mils. In yet another embodiment, the thickness of the backing layer is from about 1 mil to about 5 mils.
The backing layer may be opaque or translucent. Normally it has a skin color, but "designer" colors and patterns, as well as cartoon character designs, are becoming popular. It may be solid or porous, permeable or perforated, as adapted for the requirements of the product application, as well as being a function of the composition and form of the backing material. In one embodiment, the adhesive article is pigmented and reduces the visibility of the pattern coating.
In one embodiment, the backing layer is substantially impervious to liquid, especially wound exudate. In yet another embodiment, the backing layer is substantially impervious to bacteria. In another embodiment, the backing layer is capable of absorbing liquid, especially wound exudate. In another embodiment, perforations or small apertures in the backing layer facilitate high breathability.
The adhesive of the present invention forms a pattern on the backing layer.
The adhesive may be applied in any number of patterns. For example, one potential pattern would be a sine wave using either a smooth pattern (rounded waves) or a sharp pattern (triangle shaped waves) closely packed together. In a preferred embodiment, the adhesive forms a continuous network so that the adhesive-free areas are not interconnected. In this embodiment, moisture is substantially prevented from seeping into and under the bandage through adhesive free channels at the edges of the bandage during wear. Additionally, adhesive article is less likely to fall off from the adverse affects of moisture. Moreover, this embodiment minimizes having adhesive-free areas around the edge of the bandage that could decrease adhesion performance by creating a site for edge lift. The adhesive layer is typically present in coat weight from about 10 to about 80, or from about 15 to about 70, or from about 20 to 60 grams per square meter (gsm).
For example, one specific embodiment of a preferred adhesive pattern would be that of a "honeycomb" design. The "honeycc.,mb" design may be achieved in any suitable manner using various adhesive-free shapes in various configurations.
For example, the adhesive-free areas are in the form of circular dots, hexagonal dots, square dots, or any geometrical shape. These dots are configured so that they line up in rows or are offset between rows. In a preferred embodiment, the hexagonal dot that is offset between rows tends to achieve the desired balance between adhesion coverage and adhesive-free areas.
The adhesive article may be further described by reference to the accompanying drawings. Fig. 1 has adhesive article 10 with the backing layer containing adhesive layer 11 and adhesive free area 12. The pattern may by prepared by any means know to those in the art. The pattern could be formed by spraying the pressure sensitive adhesive or by melt blowing the pressure sensitive adhesive. The pattern could be formed by printing the adhesive. The printing may be any means that can form the pattern. Examples of useful printing means include gravure, lithographic, screen, or flexographic printing.
As stated above, suitable techniques to apply the adhesive in this discontinuous pattern include gravure coating, spray coating, melt blowing, flexographic printing such as offset flexographic printing or screen printing of adhesives. An added benefit of the printing techniques is the potential to design areas of concentrated adhesive for particular effects. For example, more adhesive could be applied only in the portion of the bandage that receives the padstock to aid in adherence of the padstock to the backing material. This embodiment is further illustrated in Fig 2. Article 20 has adhesive layer 21 and adhesive free areas 22.
In region 23, there is a higher level of adhesive to provide better adhesion of the wound covering layer.
The adhesive of the present medical bandage or tape may be any medical grade adhesive. The medical adhesives include suitable acrylic based pressure sensitive adhesives (PSAs), suitable rubber based pressure sensitive adhesives and suitable silicone pressure sensitive adhesives.
Useful rubber based PSAs include those taught in U.S. Pat. No. 5,705,551 (Sasaki et al.) and in U.S. Patent No. 4,080,348 (Korpman).
Examples of polymeric rubber bases include one or more of styrene-isoprene-styrene polymers, styrene-olefin-styrene polymers including styrene-ethylene/propylene-styrene polymers, polyisobutylene, styrene-butadiene-styrene polymers, polyisoprene, polybutadiene, natural rubber, silicone rubber, acrylonitrile rubber, nitrile rubber, polyurethane rubber, polyisobutylene rubber, butyl rubber, halobutyl rubber including bromobutyl rubber, butadiene-acrylonitrile rubber, polychloroprene, and styrene-butadiene rubber.
A particularly useful rubber based adhesive is that which has a thermoplastic elastomeric component and a resin component. The thermoplastic elastomeric component contains about 55-85 parts of a simple A-B block copolymer wherein the ~ CA 02381825 2007-02-01 ~
A- blocks are derived from styrene homologs and the B- blocks are derived from isoprene, and about 15-45 parts of a linear or radical A-B-A block copolymer wherein the A-blocks are derived from styrene or styrene homologs and the B-blocks are derived from conjugated dienes or lower alkenes, the A-blocks in the A-B
block copolymer constituting about 10-18 percent by weight of the A-B
copolymer and the total A-B and A-B-A copolymers containing about 20 percent or less styrene. The resin component consists of essentially of tackifier resins for the elastomeric component. In general any compatible conventional tackifier resin or mixture of such resins may be used. These include hydrocarbon resins, rosin and rosin derivatives, polyterpenes and other tackifiers. The adhesive composition contains about 20-300 parts of the resin component per one hundred parts by weight of the thermoplastic elastomeric component. One such rubber based adhesive is commercially available from Ato Findley under the trade name HM321 0.
Useful acrylic based PSAs include those taught in U.S. Pat. No. 5,947,917 (Carte), and U.S. Pat. No. 5,164,444 (Bernard, acrylic emulsion), U.S. Pat.
No.
5,623,011 (Bernard, tackified acrylic emulsion). It can also be radiation curable mixture of monomers with initiators and other ingredients such as those taught in U.S. Pat. No. 5,232,958 (Ang, UV cured acrylic) and U.S. Pat. No. 5,232,958 (Mallya et al, EB cured).
It is contemplated that any acrylic based polymer capable of forming an adhesive layer with sufficient tack to adhere to the facestock, the release liner or to a substrate, and with acceptable adhesion to skin, may function in the present invention. In certain embodiments, the acrylic polymers for the pressure-sensitive adhesive layers include those formed from polymerization of at least one alkyl acrylate monomer or methacrylate, an unsaturated carboxylic acid and optionally a vinyl lactam. Examples of suitable alkyl acrylate or methacrylate esters include, but are not limited to, butyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, isooctyl acrylate, isononyl acrylate, isodecyl acrylate, methyl acrylate, methylbutyl acrylate, 4-methyl-2-pentyl acrylate, sec-butyl acrylate, ethyl methacrylate, isodecyl methacrylate, methyl methacrylate, and the like, and mixtures thereof.
Examples of suitable ethylenically unsaturated carboxylic acids include, but are not limited to, acrylic acid, methacrylic acid, fumaric acid, itaconic acid, and the like, and mixtures thereof. A preferred ethylenically unsaturated carboxylic acid monomer is acrylic acid. Examples of suitable vinyl lactams include, but are not limited to, N-vinyl caprolactam, 1-vinyl-2-piperidone, 1-vinyl-5-methyl-2-pyrrolidone, vinyl pyrrolidone, and the like, and mixtures thereof.
The adhesive may also include a tackifier. Tackifiers, are generally hydrocarbon resins, wood resins, rosins, rosin derivatives, and the like. It is contemplated that any tackifier known by those of skill in the art to be compatible with elastomeric polymer compositions may be used with the present embodiment of the invention. One such tackifier, found to be useful is Wingtak 10, a synthetic polyterpene resin that is liquid at room temperature, and sold by the Goodyear Tire and Rubber Company of Akron, Ohio. Wingtak 95 is a synthetic tackifier resin also available from Goodyear that comprises predominantly a polymer derived from piperylene and isoprene. Other suitable tackifying additives may include Escorez 1310, an aliphatic hydrocarbon resin, and Escorez 2596, a CS-C9 (aromatic modified aliphatic) resin, both manufactured by Exxon of Irving, Texas. Of course, as can be appreciated by those of skill in the art, a variety of different tackifying additives may be used to practice the present invention.
In addition to the tackifiers other additions may be included in the PSAs to impart desired properties. For example, plasticizers may be included and they are known to decrease the glass transition temperature of an adhesive composition containing elastomeric polymers. An example of a useful plasticizer is Shellflex 371, a naphthenic processing oil available from Shell Oil Company of Houston, Texas.
Antioxidants also may be included on the adhesive compositions. Suitable antioxidants include Irgafos 168~and Irganox 565 available from Ciba-Geigy, Hawthorne, N.Y. Cuffing agents such as waxes and surfactants also may be included in the adhesives.
Other optional materials which may be added to the adhesive layer in minor amounts (typically less than about 25% by weight of the elastomeric phase) include pH controllers, medicaments, bactericides, growth factors, wound healing #Trademmalk ~ CA 02381825 2007-02-01 components such as collagen, antioxidants, deodorants, perfumes, antimicrobials and fungicides.
Useful silicone pressure sensitive adhesives include those commercially available from Dow Corning Corp., Medical Products and those available from 5 General Electric. Examples of silicone adhesives available from Dow Corning include those sold under the trade names BIO-PSA X7-3027, BIO-PSA X7-4919, ~3 BIO-PSA X7-2685, BIO-PSA X7-3122 and BIO-PSA X7-4502. Additional examples of silicone pressure sensitive adhesives useful in the present invention are described in U.S. Pat. Nos. 4,591,622, 4,584,355, 4,585,836 and 4,655,767, The adhesive article may be further described by reference to the accompanying drawings. Fig. 1 has adhesive article 10 with the backing layer containing adhesive layer 11 and adhesive free area 12. The pattern may be prepared by any means know to those in the art. The pattern could be formed by spraying the pressure sensitive adhesive or by melt blowing the pressure sensitive adhesive. The pattern could be formed by printing the adhesive. The printing may be any means that can for the pattern. Examples of useful printing means include gravure, lithographic, screen, or flexographic printing.
Fig 3 is a cross section of an adhesive article. Article 30, has backing layer 31 which is adhered to adhesive 32 which has a pattern including adhesive-free areas 33. The adhesive 32 in turn is releasably adhered to release liner 34.
Fig 4 illustrates an adhesive article with a wound covering layer. Article 40 has backing layer 41 that is adhered to patterned adhesive 42, including adhesive-free areas 43. The adhesive in turn is adhered , in part and releasably to release liner 45 and also , in part, to wound covering I,iyer 44. It should be noted that the wound covering layer and the release liner may also be in contact. The wound covering layer may be any of those know in the art. These include absorbent materials such as fiber containing webs, gauze, etc. The fiber containing webs may be those made from rayon and polypropylene. For example, fiber containing webs include those with 70% rayon and 30% polypropylene and 50% rayon and 50%
polypropylene. The wound covering layer of Fig 4 covers a portion of the adhesive article. The article may be in the form of strips or rectangular bandages or island bandages.
= When the adhesive article is used as a tape, then a release coating is placed on the second surface of the backing layer. The release coating may be any of those know in the art. These include sprayed silicone release coating.
The release coating prevents the adhesion of the adhesive layer to the second surface of the backing layer.
EXAMPLES
The invention will be described in greater detail by the following examples.
Examples 1 A-1 C
Hot melt rubber based pressure sensitive adhesive, HM3210 from Ato Findley, was applied in a "honey comb" pattern onto a siliconized release liner by offset flexographic printing. The pattern was formed so that the adhesive covered 85-90% of the surface area of the release liner, with the remaining 10-15% of the surface area being free of adhesive. The coat weight of the adhesive is 40 grams per square meter (gsm). The adhesive coated liner is then laminated to a 3.3 mil apertured polyolefin film, X6989 from Tredegar Film Products. Rolls of the laminate material are then converted via a die cutting process in which the absorbent pad and finger tabs are applied, and the material cut to form the adhesive bandage strips.
Example 2 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by spray coating the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm.
The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 3 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by screen printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
*Trademk Example 4 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by gravure printing the adhesive onto the release Ii ier in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 5 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by flexographic printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 6 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by lithographcic printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Comparative Example A
Adhesive strips are prepared substantially in accordance with Examples 1-6, except that the hot melt rubber based PSA was applied to the release liner by slot die coating the adhesive onto the surface area of the release liner. With this method, the adhesive was extruded in a uniform thin layer onto the release liner.
The coat weight of the adhesive was 35 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Comparative Example B
Adhesive bandage strips commercially available as BAND-AID Brand Sheer bandages were tested for comparative purposes. These bandages contain an acrylic emulsion adhesive coated onto a vinyl backing.
Samples of adhesive strips of the foregoing examples were tested for moisture vapor transmission rate (MVTR). Several samples were first subjected to aging conditions at higher temperature and relative humidity, and then evaluated using the foregoing tests. Table I sets forth the test results for the various samples.
Table 1 Example Sample Condition MVTR
m2/da 1A 1 Initial 10411 2 4 wks 9587.5 3 4 wks 9476.5 4ocn5RH
4 4 wks 9248 5 8 wks 11132 6 8 wks 10500.5 7 13 wks 7966.1 8 13 wks 8310.3 40c/75RH
9 13 wks 8261.5 1B 1 Initial 8484.5 2 4 wks 8020.5 3 4 wks 9465.5 4ocn5RH
4 4 wks 9463.5 5 8 wks 9458.5 6 8 wks 9803.5 7 13 wks 8886.8 8 13 wks 32636.8 9 13 wks 35850.7 1C 1 Initial 6883 2 4 wks 775.6 3 4 wks 898.7 4oC/75RH
4 4 wks 1013.2 Comp. 1 282.5 Ex. A
5 294.5 Comp. 1 Commercial product 4740 Ex. B
While the invention has been explained in relation to its preferred embodiments, it is to be understood that various modifications thereof will become apparent to those skilled in the art upon reading the specification.
Therefore, it is to be understood that the invention disclosed herein is intended to cover such modifications as fall within the scope of the appended claims.
block copolymer constituting about 10-18 percent by weight of the A-B
copolymer and the total A-B and A-B-A copolymers containing about 20 percent or less styrene. The resin component consists of essentially of tackifier resins for the elastomeric component. In general any compatible conventional tackifier resin or mixture of such resins may be used. These include hydrocarbon resins, rosin and rosin derivatives, polyterpenes and other tackifiers. The adhesive composition contains about 20-300 parts of the resin component per one hundred parts by weight of the thermoplastic elastomeric component. One such rubber based adhesive is commercially available from Ato Findley under the trade name HM321 0.
Useful acrylic based PSAs include those taught in U.S. Pat. No. 5,947,917 (Carte), and U.S. Pat. No. 5,164,444 (Bernard, acrylic emulsion), U.S. Pat.
No.
5,623,011 (Bernard, tackified acrylic emulsion). It can also be radiation curable mixture of monomers with initiators and other ingredients such as those taught in U.S. Pat. No. 5,232,958 (Ang, UV cured acrylic) and U.S. Pat. No. 5,232,958 (Mallya et al, EB cured).
It is contemplated that any acrylic based polymer capable of forming an adhesive layer with sufficient tack to adhere to the facestock, the release liner or to a substrate, and with acceptable adhesion to skin, may function in the present invention. In certain embodiments, the acrylic polymers for the pressure-sensitive adhesive layers include those formed from polymerization of at least one alkyl acrylate monomer or methacrylate, an unsaturated carboxylic acid and optionally a vinyl lactam. Examples of suitable alkyl acrylate or methacrylate esters include, but are not limited to, butyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, isooctyl acrylate, isononyl acrylate, isodecyl acrylate, methyl acrylate, methylbutyl acrylate, 4-methyl-2-pentyl acrylate, sec-butyl acrylate, ethyl methacrylate, isodecyl methacrylate, methyl methacrylate, and the like, and mixtures thereof.
Examples of suitable ethylenically unsaturated carboxylic acids include, but are not limited to, acrylic acid, methacrylic acid, fumaric acid, itaconic acid, and the like, and mixtures thereof. A preferred ethylenically unsaturated carboxylic acid monomer is acrylic acid. Examples of suitable vinyl lactams include, but are not limited to, N-vinyl caprolactam, 1-vinyl-2-piperidone, 1-vinyl-5-methyl-2-pyrrolidone, vinyl pyrrolidone, and the like, and mixtures thereof.
The adhesive may also include a tackifier. Tackifiers, are generally hydrocarbon resins, wood resins, rosins, rosin derivatives, and the like. It is contemplated that any tackifier known by those of skill in the art to be compatible with elastomeric polymer compositions may be used with the present embodiment of the invention. One such tackifier, found to be useful is Wingtak 10, a synthetic polyterpene resin that is liquid at room temperature, and sold by the Goodyear Tire and Rubber Company of Akron, Ohio. Wingtak 95 is a synthetic tackifier resin also available from Goodyear that comprises predominantly a polymer derived from piperylene and isoprene. Other suitable tackifying additives may include Escorez 1310, an aliphatic hydrocarbon resin, and Escorez 2596, a CS-C9 (aromatic modified aliphatic) resin, both manufactured by Exxon of Irving, Texas. Of course, as can be appreciated by those of skill in the art, a variety of different tackifying additives may be used to practice the present invention.
In addition to the tackifiers other additions may be included in the PSAs to impart desired properties. For example, plasticizers may be included and they are known to decrease the glass transition temperature of an adhesive composition containing elastomeric polymers. An example of a useful plasticizer is Shellflex 371, a naphthenic processing oil available from Shell Oil Company of Houston, Texas.
Antioxidants also may be included on the adhesive compositions. Suitable antioxidants include Irgafos 168~and Irganox 565 available from Ciba-Geigy, Hawthorne, N.Y. Cuffing agents such as waxes and surfactants also may be included in the adhesives.
Other optional materials which may be added to the adhesive layer in minor amounts (typically less than about 25% by weight of the elastomeric phase) include pH controllers, medicaments, bactericides, growth factors, wound healing #Trademmalk ~ CA 02381825 2007-02-01 components such as collagen, antioxidants, deodorants, perfumes, antimicrobials and fungicides.
Useful silicone pressure sensitive adhesives include those commercially available from Dow Corning Corp., Medical Products and those available from 5 General Electric. Examples of silicone adhesives available from Dow Corning include those sold under the trade names BIO-PSA X7-3027, BIO-PSA X7-4919, ~3 BIO-PSA X7-2685, BIO-PSA X7-3122 and BIO-PSA X7-4502. Additional examples of silicone pressure sensitive adhesives useful in the present invention are described in U.S. Pat. Nos. 4,591,622, 4,584,355, 4,585,836 and 4,655,767, The adhesive article may be further described by reference to the accompanying drawings. Fig. 1 has adhesive article 10 with the backing layer containing adhesive layer 11 and adhesive free area 12. The pattern may be prepared by any means know to those in the art. The pattern could be formed by spraying the pressure sensitive adhesive or by melt blowing the pressure sensitive adhesive. The pattern could be formed by printing the adhesive. The printing may be any means that can for the pattern. Examples of useful printing means include gravure, lithographic, screen, or flexographic printing.
Fig 3 is a cross section of an adhesive article. Article 30, has backing layer 31 which is adhered to adhesive 32 which has a pattern including adhesive-free areas 33. The adhesive 32 in turn is releasably adhered to release liner 34.
Fig 4 illustrates an adhesive article with a wound covering layer. Article 40 has backing layer 41 that is adhered to patterned adhesive 42, including adhesive-free areas 43. The adhesive in turn is adhered , in part and releasably to release liner 45 and also , in part, to wound covering I,iyer 44. It should be noted that the wound covering layer and the release liner may also be in contact. The wound covering layer may be any of those know in the art. These include absorbent materials such as fiber containing webs, gauze, etc. The fiber containing webs may be those made from rayon and polypropylene. For example, fiber containing webs include those with 70% rayon and 30% polypropylene and 50% rayon and 50%
polypropylene. The wound covering layer of Fig 4 covers a portion of the adhesive article. The article may be in the form of strips or rectangular bandages or island bandages.
= When the adhesive article is used as a tape, then a release coating is placed on the second surface of the backing layer. The release coating may be any of those know in the art. These include sprayed silicone release coating.
The release coating prevents the adhesion of the adhesive layer to the second surface of the backing layer.
EXAMPLES
The invention will be described in greater detail by the following examples.
Examples 1 A-1 C
Hot melt rubber based pressure sensitive adhesive, HM3210 from Ato Findley, was applied in a "honey comb" pattern onto a siliconized release liner by offset flexographic printing. The pattern was formed so that the adhesive covered 85-90% of the surface area of the release liner, with the remaining 10-15% of the surface area being free of adhesive. The coat weight of the adhesive is 40 grams per square meter (gsm). The adhesive coated liner is then laminated to a 3.3 mil apertured polyolefin film, X6989 from Tredegar Film Products. Rolls of the laminate material are then converted via a die cutting process in which the absorbent pad and finger tabs are applied, and the material cut to form the adhesive bandage strips.
Example 2 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by spray coating the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm.
The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 3 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by screen printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
*Trademk Example 4 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by gravure printing the adhesive onto the release Ii ier in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 5 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by flexographic printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Example 6 Adhesive strips are prepared substantially in accordance with Example 1, except that the hot melt rubber based PSA was applied to the release liner by lithographcic printing the adhesive onto the release liner in a pattern so that the adhesive covered 85-90% of the surface area of the release liner and the coat weight was 40 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Comparative Example A
Adhesive strips are prepared substantially in accordance with Examples 1-6, except that the hot melt rubber based PSA was applied to the release liner by slot die coating the adhesive onto the surface area of the release liner. With this method, the adhesive was extruded in a uniform thin layer onto the release liner.
The coat weight of the adhesive was 35 gsm. The adhesive coated liner was then laminated to the apertured polyolefin film.
Comparative Example B
Adhesive bandage strips commercially available as BAND-AID Brand Sheer bandages were tested for comparative purposes. These bandages contain an acrylic emulsion adhesive coated onto a vinyl backing.
Samples of adhesive strips of the foregoing examples were tested for moisture vapor transmission rate (MVTR). Several samples were first subjected to aging conditions at higher temperature and relative humidity, and then evaluated using the foregoing tests. Table I sets forth the test results for the various samples.
Table 1 Example Sample Condition MVTR
m2/da 1A 1 Initial 10411 2 4 wks 9587.5 3 4 wks 9476.5 4ocn5RH
4 4 wks 9248 5 8 wks 11132 6 8 wks 10500.5 7 13 wks 7966.1 8 13 wks 8310.3 40c/75RH
9 13 wks 8261.5 1B 1 Initial 8484.5 2 4 wks 8020.5 3 4 wks 9465.5 4ocn5RH
4 4 wks 9463.5 5 8 wks 9458.5 6 8 wks 9803.5 7 13 wks 8886.8 8 13 wks 32636.8 9 13 wks 35850.7 1C 1 Initial 6883 2 4 wks 775.6 3 4 wks 898.7 4oC/75RH
4 4 wks 1013.2 Comp. 1 282.5 Ex. A
5 294.5 Comp. 1 Commercial product 4740 Ex. B
While the invention has been explained in relation to its preferred embodiments, it is to be understood that various modifications thereof will become apparent to those skilled in the art upon reading the specification.
Therefore, it is to be understood that the invention disclosed herein is intended to cover such modifications as fall within the scope of the appended claims.
Claims (23)
1. An adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered to the first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer comprises a continuous network of geometric shapes having an adhesive free area of from about 5%
to less than about 25% and wherein the adhesive article has a moisture vapor transmission rate of greater than about 2000 g/m2/24 hour.
to less than about 25% and wherein the adhesive article has a moisture vapor transmission rate of greater than about 2000 g/m2/24 hour.
2. The article of claim 1 wherein the backing layer comprises a woven, a non-woven, or knitted fabric.
3. The article of claim 1 wherein the backing layer comprises a polymeric film or a foam.
4. The article of claim 3 wherein the backing layer comprises an apertured film or foam.
5. The article of claim 3 wherein the backing layer comprises an apertured polymeric film.
6. The article of claim 5 wherein the backing layer comprises an apertured polyolefin film.
7. The article of claim 1 wherein the pressure sensitive adhesive comprises a rubber-based or acrylic pressure sensitive adhesive.
8. The article of claim 1 wherein the pressure sensitive adhesive comprises a rubber-based adhesive.
9. The article of claim 1 further comprising a wound contacting layer adhered to the pressure sensitive adhesive.
10. The article of claim 9 wherein the wound contacting layer comprises (i) a web with fibers or (ii) gauze.
11. The article of claim 1 further comprising a silicone release liner releaseably adhered to the pressure sensitive adhesive layer.
12. The article of claim 1 further comprising a release coating on the second surface of the backing layer.
13. The article of claim 1 wherein the adhesive-free area is from about 5% to about 20%.
14. The article of claim 1 wherein the moisture vapor transmission rate is greater than about 3000 g/m2/24 hour.
15. The article of claim 1 wherein the moisture vapor transmission rate is greater than about 7000 g/m2/24 hour.
16. An adhesive article comprising at least one apertured polymeric backing layer having a first and second surface and a pressure sensitive adhesive layer adhered to the first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer comprises a continuous network of geometric shapes having an adhesive free area of from about 5% to less than about 25% and wherein the adhesive article has a moisture vapor transmission rate of greater than about 2000 g/m2/24 hour.
17. The article of claim 16 wherein the backing layer is derived from an apertured polyolefin film.
18. The article of claim 16 wherein the pressure sensitive adhesive comprises a rubber-based or acrylic pressure sensitive adhesive.
19. The article of claim 16 further comprising a wound contacting layer adhered to the pressure sensitive adhesive.
20. The article of claim 16 further comprising a silicone release liner releasably adhered to the pressure sensitive adhesive.
21. The article of claim 16 further comprising a release coating on the second surface of the backing layer.
22. The article of claim 16 wherein the adhesive-free area is from about 8% to about 17%.
23. The article of claim 16 wherein the moisture vapor transmission rate is greater than about 2500 g/m2/24 hour.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15458399P | 1999-09-17 | 1999-09-17 | |
US60/154,583 | 1999-09-17 | ||
US09/643,616 | 2000-08-22 | ||
US09/643,616 US6495229B1 (en) | 1999-09-17 | 2000-08-22 | Pattern coated adhesive article |
PCT/US2000/025382 WO2001019306A1 (en) | 1999-09-17 | 2000-09-15 | Pattern coated adhesive article |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2381825A1 CA2381825A1 (en) | 2001-03-22 |
CA2381825C true CA2381825C (en) | 2008-12-09 |
Family
ID=26851569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002381825A Expired - Fee Related CA2381825C (en) | 1999-09-17 | 2000-09-15 | Pattern coated adhesive article |
Country Status (11)
Country | Link |
---|---|
US (2) | US6495229B1 (en) |
EP (1) | EP1229877B1 (en) |
JP (1) | JP2003509121A (en) |
CN (1) | CN1174719C (en) |
AU (1) | AU776436B2 (en) |
BR (1) | BR0014569B1 (en) |
CA (1) | CA2381825C (en) |
DE (1) | DE60036126T2 (en) |
HK (1) | HK1048934A1 (en) |
MX (1) | MXPA02002539A (en) |
WO (1) | WO2001019306A1 (en) |
Families Citing this family (187)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020138896A1 (en) * | 2000-07-24 | 2002-10-03 | Holden Perriann M. | Protective attachment |
US20040237166A1 (en) * | 2000-07-24 | 2004-12-02 | Jerry Potts | Apparel item and method of making and using same |
DE10112375A1 (en) * | 2001-03-15 | 2002-09-26 | Tesa Ag | Backing material based on fleece, in particular for an adhesive tape with improved hand tearability |
ATE322975T1 (en) | 2001-09-19 | 2006-04-15 | Procter & Gamble | COLOR PRINTED MULTI-LAYER STRUCTURE, AN ABSORBENT ARTICLE MADE THEREFROM AND METHOD FOR PRODUCING THE SAME |
CN1297392C (en) * | 2001-11-05 | 2007-01-31 | 宝洁公司 | Stretch composites and methods of making the composite |
USRE45936E1 (en) * | 2002-01-25 | 2016-03-22 | Hisamitsu Pharmaceutical Co., Inc. | Pressure-sensitive adhesive and patch employing the same |
EP1389629A1 (en) * | 2002-07-19 | 2004-02-18 | Nmc S.A. | Foam with an adhesive material strip |
US7182837B2 (en) | 2002-11-27 | 2007-02-27 | Kimberly-Clark Worldwide, Inc. | Structural printing of absorbent webs |
US7419570B2 (en) | 2002-11-27 | 2008-09-02 | Kimberly-Clark Worldwide, Inc. | Soft, strong clothlike webs |
US6964726B2 (en) | 2002-12-26 | 2005-11-15 | Kimberly-Clark Worldwide, Inc. | Absorbent webs including highly textured surface |
US20040137182A1 (en) * | 2003-01-14 | 2004-07-15 | Messier Phillip E. | Pressure sensitive reinforcement strip for loose leaf pages |
WO2004082932A1 (en) * | 2003-03-14 | 2004-09-30 | Avery Dennison Corporation | Housewrap |
AU2004228476A1 (en) * | 2003-04-11 | 2004-10-21 | The Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin | Use of HCV proteins |
EP1628607A1 (en) * | 2003-06-10 | 2006-03-01 | BSN Medical, Inc. | Weft-inserted elastic adhesive bandage and method |
WO2005016064A2 (en) * | 2003-08-06 | 2005-02-24 | Eggs In The Pipeline, Llc | Versatile personal storage device |
ATE402987T1 (en) * | 2003-09-18 | 2008-08-15 | Bristol Myers Squibb Co | ADHESIVE STRUCTURE FOR ATTACHMENT TO THE SKIN |
JP2005168723A (en) * | 2003-12-10 | 2005-06-30 | Nissei Kk | Absorbent adhesive sheet |
US7176343B2 (en) * | 2004-01-14 | 2007-02-13 | Ed Schlussel | Scab protecting bandage |
US20050163978A1 (en) * | 2004-01-27 | 2005-07-28 | Esben Strobech | Article having a surface showing adhesive properties |
US8507081B2 (en) * | 2004-01-27 | 2013-08-13 | Coloplast A/S | Absorbing article with zones of different surface properties |
US7658811B2 (en) * | 2004-03-29 | 2010-02-09 | The Procter & Gamble Company | Letterpress application of elastomeric compositions |
US8198200B2 (en) | 2004-03-29 | 2012-06-12 | The Procter & Gamble Company | Web materials having both plastic and elastic properties |
US7820875B2 (en) | 2004-03-29 | 2010-10-26 | The Procter & Gamble Company | Disposable absorbent articles being adaptable to wearer's anatomy |
US20050215972A1 (en) | 2004-03-29 | 2005-09-29 | Roe Donald C | Disposable absorbent articles with zones comprising elastomeric components |
US8568382B2 (en) | 2004-03-29 | 2013-10-29 | The Procter & Gamble Company | Disposable absorbent articles having co-elongation |
ATE446730T1 (en) * | 2004-06-30 | 2009-11-15 | Coloplast As | SKIN PANEL ADHESIVE PRODUCT AND PRODUCTION METHOD |
EP1771212A1 (en) * | 2004-07-16 | 2007-04-11 | Coloplast A/S | A wound care device |
US20060026743A1 (en) * | 2004-08-06 | 2006-02-09 | Brian Farnworth | Gas distribution garment |
US7716940B2 (en) * | 2004-08-06 | 2010-05-18 | Gore Enterprise Holdings, Inc. | Gas distribution garment having a spacer element |
DE502004008276D1 (en) * | 2004-08-23 | 2008-11-27 | Schreiner Group Gmbh & Co Kg | Label for covering gas exchange openings |
JP3819016B2 (en) * | 2004-12-24 | 2006-09-06 | 株式会社キネシオ | Body adhesive tape |
US8163365B2 (en) * | 2005-03-24 | 2012-04-24 | Nastar Inc. | Repositionable labels using dot patterned adhesive |
US20060229507A1 (en) * | 2005-03-30 | 2006-10-12 | Kermani Mahyar Z | Adhesive fluorescence measurement band |
US20060224056A1 (en) * | 2005-03-30 | 2006-10-05 | Kermani Mahyar Z | Method for monitoring an implanted fluorescent light-emitting bead |
US20060229508A1 (en) * | 2005-03-30 | 2006-10-12 | Kermani Mahyar Z | Adhesive fluorescence measurement patch |
US20060224055A1 (en) * | 2005-03-30 | 2006-10-05 | Kermani Mahyar Z | Fluorescence measurement analytical kit |
WO2006108064A2 (en) * | 2005-04-06 | 2006-10-12 | Disc Mount, Inc. | Product holder and packaged product incorporating cling polymer |
WO2006107323A1 (en) * | 2005-04-06 | 2006-10-12 | Disc Mount, Inc | Hubless and sleeveless data storage medium holder and package |
ITFI20050172A1 (en) * | 2005-08-03 | 2007-02-04 | Fintex & Partners Italia S P A | METHOD FOR THE PRODUCTION OF A MANUFACTURED ARTICLE FOR THE PRODUCTION OF ABSORBENT AND SIMILAR ITEMS, MANUFACTURED SO 'OBTAINED AND ARTICLE ABSORBENT INCLUDING THE MANUAL |
US7419557B2 (en) * | 2005-09-08 | 2008-09-02 | The Goodyear Tire & Rubber Company | Method for protecting tire innerliner using thermoformable film coated with pressure-sensitive adhesive |
GB0520127D0 (en) * | 2005-10-03 | 2005-11-09 | 3M Innovative Properties Co | Laminate articles and preparations thereof |
TW200806261A (en) * | 2006-03-20 | 2008-02-01 | 3M Innovative Properties Co | Adhesive sheet article |
US20070298224A1 (en) * | 2006-06-23 | 2007-12-27 | The Procter & Gamble Company | Convolutely wound web material having the tail adhered thereto |
US20080226701A1 (en) * | 2007-03-15 | 2008-09-18 | John Deignan | Medicated patches |
US7947366B2 (en) * | 2007-03-19 | 2011-05-24 | 3M Innovative Properties Company | Adhesive sheet article |
US9842518B2 (en) * | 2010-08-10 | 2017-12-12 | Avery Dennison Retail Information Services, Llc | Breathable heat transfer labels |
US8729121B2 (en) | 2007-06-25 | 2014-05-20 | Adhezion Biomedical, Llc | Curing accelerator and method of making |
WO2010008822A2 (en) | 2008-06-23 | 2010-01-21 | Adhezion Biomedical, Llc | Cyanoacrylate tissue adhesives with desirable permeability and tensile strength |
US8734413B2 (en) | 2007-08-03 | 2014-05-27 | Kimberly-Clark Worldwide, Inc. | Packaged body adhering absorbent article |
US8292862B2 (en) | 2007-08-03 | 2012-10-23 | Kimberly-Clark Worldwide, Inc. | Dynamic fitting body adhering absorbent article |
US8702672B2 (en) | 2007-08-03 | 2014-04-22 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
US7947027B2 (en) | 2007-12-28 | 2011-05-24 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
US8251969B2 (en) | 2007-08-03 | 2012-08-28 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
US8672911B2 (en) | 2007-08-03 | 2014-03-18 | Kimberly-Clark Worldwide, Inc. | Body adhering absorbent article |
US8062275B2 (en) | 2007-08-03 | 2011-11-22 | Kimberly Clark Worldwide, Inc. | Body adhering absorbent article and method for donning such article |
US20090089911A1 (en) * | 2007-10-05 | 2009-04-09 | Smith Timothy J | Comfortable Protective Garments |
WO2009064291A1 (en) | 2007-11-14 | 2009-05-22 | Spartan Medical Products, Llc | Cyanoacrylate tissue adhesives |
GB0722820D0 (en) | 2007-11-21 | 2008-01-02 | Smith & Nephew | Vacuum assisted wound dressing |
EP2214612B1 (en) | 2007-11-21 | 2019-05-01 | Smith & Nephew PLC | Wound dressing |
CN101868203B (en) | 2007-11-21 | 2014-10-22 | 史密夫及内修公开有限公司 | Wound dressing |
GB2455962A (en) * | 2007-12-24 | 2009-07-01 | Ethicon Inc | Reinforced adhesive backing sheet, for plaster |
US8372049B2 (en) | 2008-03-05 | 2013-02-12 | Kci Licensing, Inc. | Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site |
KR101750907B1 (en) | 2008-03-20 | 2017-06-27 | 애버리 데니슨 코포레이션 | Acrylic polymers having controlled placement of functional groups |
FR2930708B1 (en) * | 2008-04-30 | 2011-08-26 | Ganzoni France | SELF-FIXING STRIP OF MAINTENANCE AND CONTENT IN PARTICULAR FOR BASE OF CONTENTION |
KR101887845B1 (en) * | 2008-06-06 | 2018-08-10 | 애브리 데니슨 코포레이션 | Decorated substrate composite |
US8198344B2 (en) | 2008-06-20 | 2012-06-12 | Adhezion Biomedical, Llc | Method of preparing adhesive compositions for medical use: single additive as both the thickening agent and the accelerator |
US8293838B2 (en) | 2008-06-20 | 2012-10-23 | Adhezion Biomedical, Llc | Stable and sterile tissue adhesive composition with a controlled high viscosity |
US20100030170A1 (en) * | 2008-08-01 | 2010-02-04 | Keith Alan Keller | Absorptive Pad |
JP5285356B2 (en) * | 2008-08-28 | 2013-09-11 | 日東電工株式会社 | Patch |
US8534419B2 (en) | 2008-10-16 | 2013-09-17 | Zephyros, Inc. | Composite sound absorber |
WO2010042995A1 (en) * | 2008-10-16 | 2010-04-22 | I.N.C. Corporation Pty Ltd | Tape material and roll comprising pressure sensitive adhesive |
US8609128B2 (en) | 2008-10-31 | 2013-12-17 | Adhezion Biomedical, Llc | Cyanoacrylate-based liquid microbial sealant drape |
US9254133B2 (en) | 2008-10-31 | 2016-02-09 | Adhezion Biomedical, Llc | Sterilized liquid compositions of cyanoacrylate monomer mixtures |
US8652510B2 (en) | 2008-10-31 | 2014-02-18 | Adhezion Biomedical, Llc | Sterilized liquid compositions of cyanoacrylate monomer mixtures |
US11147722B2 (en) | 2008-11-10 | 2021-10-19 | Kimberly-Clark Worldwide, Inc. | Absorbent article with a multifunctional acrylate skin-adhesive composition |
US10617571B2 (en) * | 2008-11-26 | 2020-04-14 | Kt Health, Llc | Pre-cut strips of kinesiology tape |
US20110276040A1 (en) * | 2008-11-26 | 2011-11-10 | Lumos, Inc. | Elastic strand for use in kinesiology tape |
US9308115B2 (en) * | 2008-11-26 | 2016-04-12 | Kt Health, Llc | Body-adhesive kinesiology tape |
MY163970A (en) | 2008-12-16 | 2017-11-15 | Hisamitsu Pharmaceutical Co | Pressure-sensitive adhesive tape |
AU2009331412B2 (en) | 2008-12-25 | 2015-05-28 | Hisamitsu Pharmaceutical Co., Inc. | Pressure-sensitive adhesive tape package |
CA2751206C (en) | 2009-01-30 | 2014-01-28 | W.R. Grace & Co.-Conn. | Self-adhered, vapor permeable air barrier membrane |
US10022468B2 (en) | 2009-02-02 | 2018-07-17 | Kimberly-Clark Worldwide, Inc. | Absorbent articles containing a multifunctional gel |
US8309207B2 (en) * | 2009-02-05 | 2012-11-13 | Avery Dennison Corporation | Adhesive articles with improved air egress |
US8957277B2 (en) | 2009-04-27 | 2015-02-17 | Avery Dennison Corporation | Disruptable adhesive layer for fluid activated debonding |
CN102782069B (en) | 2009-04-27 | 2014-03-19 | 艾利丹尼森公司 | Systems, methods and materials for delivery and debonding on demand |
SE533843C2 (en) * | 2009-06-15 | 2011-02-08 | Moelnlycke Health Care Ab | Wound pad comprising a body of compressed open cell foam material |
JP5396208B2 (en) * | 2009-09-08 | 2014-01-22 | 日東電工株式会社 | Water resistant patch preparation |
BR112012010858B8 (en) * | 2009-11-09 | 2018-10-02 | 3M Innovative Properties Co | '' Medical article and method for increasing the moisture vapor transmission rate. |
EP2498988B1 (en) * | 2009-11-09 | 2019-02-27 | 3M Innovative Properties Company | Medical articles and methods of making using miscible composition |
KR101813087B1 (en) * | 2009-11-25 | 2017-12-28 | 케이티 헬스, 엘엘씨 | Body-adhesive kinesiology tape |
USD668766S1 (en) * | 2009-12-28 | 2012-10-09 | Hisamitsu Pharmaceutical Co., Inc | Medical patch |
US8814842B2 (en) | 2010-03-16 | 2014-08-26 | Kci Licensing, Inc. | Delivery-and-fluid-storage bridges for use with reduced-pressure systems |
EP2571906B1 (en) | 2010-05-19 | 2014-10-01 | Avery Dennison Corporation | Ordered architectures in acrylic polymers |
US9309019B2 (en) | 2010-05-21 | 2016-04-12 | Adhezion Biomedical, Llc | Low dose gamma sterilization of liquid adhesives |
US20120090773A1 (en) * | 2010-10-15 | 2012-04-19 | Shih-Fong Lin | Product protective film bonding method |
US8671739B2 (en) * | 2010-12-10 | 2014-03-18 | Clariant Prosukte (Deutschland) GmbH | Indicator material and indicator device comprising said indicator material |
US20120183714A1 (en) * | 2011-01-17 | 2012-07-19 | Catherine Hsui-Feng Peng | Multi-function reusable sticker teaching tool |
GB2488749A (en) | 2011-01-31 | 2012-09-12 | Systagenix Wound Man Ip Co Bv | Laminated silicone coated wound dressing |
EP2686651B1 (en) * | 2011-03-18 | 2017-05-03 | Augustine Biomedical and Design, LLC | Non-invasive core temperature sensor |
GB201106491D0 (en) | 2011-04-15 | 2011-06-01 | Systagenix Wound Man Ip Co Bv | Patterened silicone coating |
JP5727292B2 (en) * | 2011-05-11 | 2015-06-03 | 富士フイルム株式会社 | Composite film |
GB201108229D0 (en) * | 2011-05-17 | 2011-06-29 | Smith & Nephew | Tissue healing |
AU2012272683A1 (en) * | 2011-06-22 | 2014-02-06 | Westpatch, Llc | Magnetically-triggered bandage release mechanism |
CA2845061A1 (en) * | 2011-07-21 | 2013-01-24 | Kt Health, Llc | Pre-cut strips of kinesiology tape |
MY173748A (en) * | 2011-09-09 | 2020-02-19 | Toppan Printing Co Ltd | Funnel component and packaging container using funnel component |
KR101939108B1 (en) | 2011-10-14 | 2019-01-16 | 애버리 데니슨 코포레이션 | Controlled architecture polymers |
DK2773304T3 (en) | 2011-10-31 | 2016-05-02 | Avery Dennison Corp | Adhesive layers, which can be torn apart, to the fluid-activated solution. |
US8630908B2 (en) | 2011-11-02 | 2014-01-14 | Avery Dennison Corporation | Distributed point of sale, electronic article surveillance, and product information system, apparatus and method |
US20130116645A1 (en) * | 2011-11-07 | 2013-05-09 | Tyco Healthcare Group Lp | Absorbent Foam Tape And Related Methods Thereof |
GB2497406A (en) * | 2011-11-29 | 2013-06-12 | Webtec Converting Llc | Dressing with a perforated binder layer |
US8272507B1 (en) | 2011-12-02 | 2012-09-25 | Visionary Products, Inc. | Kit of a plurality of detachable pockets, a detachable pocket, and associated methods |
US10940047B2 (en) | 2011-12-16 | 2021-03-09 | Kci Licensing, Inc. | Sealing systems and methods employing a hybrid switchable drape |
JP6320930B2 (en) | 2011-12-16 | 2018-05-09 | ケーシーアイ ライセンシング インコーポレイテッド | Peelable medical drape |
TW201345804A (en) | 2012-02-01 | 2013-11-16 | Toppan Printing Co Ltd | Funnel part and method of manufacturing packaging container utilizing funnel part |
US20130231599A1 (en) * | 2012-03-01 | 2013-09-05 | Patrick E. Eddy | Antimicrobial adhesive formulation and film dressings having an antimicrobial adhesive |
US20130310725A1 (en) * | 2012-04-25 | 2013-11-21 | Richard L. Jerrells | First Aid Pain Free BandAid |
US9365747B2 (en) * | 2012-08-14 | 2016-06-14 | Source One Tactical, Inc. | Protective panel repair patch |
US9877875B2 (en) | 2012-10-09 | 2018-01-30 | Parasol Medical LLC | Antimicrobial hydrogel formulation |
CN104870567B (en) | 2012-10-22 | 2018-09-07 | 艾利丹尼森公司 | It is dispersed in the hybrid material of the crosslinked micro-gel particles in adhesive |
EP4279094A3 (en) | 2012-11-16 | 2024-02-28 | 3M Innovative Properties Company | Medical drape with pattern adhesive layers |
GB201222770D0 (en) | 2012-12-18 | 2013-01-30 | Systagenix Wound Man Ip Co Bv | Wound dressing with adhesive margin |
DE102013100157A1 (en) * | 2013-01-09 | 2014-07-10 | Birgit Riesinger | Liquid-permeable primary dressing with a silicone coating |
EP3434236B1 (en) | 2013-03-14 | 2021-12-29 | 3M Innovative Properties Company | Absorbent dressing with hybrid drape |
KR102135453B1 (en) * | 2013-05-24 | 2020-07-20 | 삼성디스플레이 주식회사 | Adhesive Film and Organic Light Emitting Display Using The Same |
EP3038667B1 (en) | 2013-08-26 | 2019-10-09 | KCI Licensing, Inc. | Dressing interface with moisture controlling feature and sealing function |
GB201318842D0 (en) * | 2013-10-24 | 2013-12-11 | First Water Ltd | Flexible hydrogel wound dressings |
US10946124B2 (en) | 2013-10-28 | 2021-03-16 | Kci Licensing, Inc. | Hybrid sealing tape |
WO2015065616A1 (en) | 2013-10-30 | 2015-05-07 | Kci Licensing, Inc. | Dressing with sealing and retention intereface |
EP3062833B1 (en) | 2013-10-30 | 2019-04-17 | KCI Licensing, Inc. | Absorbent conduit and system |
US10016544B2 (en) | 2013-10-30 | 2018-07-10 | Kci Licensing, Inc. | Dressing with differentially sized perforations |
EP3513773A1 (en) | 2013-10-30 | 2019-07-24 | KCI Licensing, Inc. | Condensate absorbing and dissipating system |
CN103637877B (en) * | 2013-12-25 | 2016-08-17 | 浙江隆泰医疗科技股份有限公司 | A kind of foam composite wound dressing |
US10704254B2 (en) | 2014-02-18 | 2020-07-07 | 3M Innovative Properties Company | Easy to apply air and water barrier articles |
WO2015126645A1 (en) * | 2014-02-18 | 2015-08-27 | 3M Innovative Properties Company | Method and apparatus for forming articles with non-uniform coatings |
US10093084B2 (en) * | 2014-02-26 | 2018-10-09 | Jowat Se | Laminating process employing grid-like adhesive application |
DE102015001965A1 (en) * | 2014-02-26 | 2015-08-27 | Kiefel Gmbh | Method for providing a laminating film with adhesive, method for applying a hotmelt, use, equipment for laminating and method for converting such a system |
WO2015130471A1 (en) | 2014-02-28 | 2015-09-03 | Kci Licensing, Inc. | Hybrid drape having a gel-coated perforated mesh |
US11026844B2 (en) | 2014-03-03 | 2021-06-08 | Kci Licensing, Inc. | Low profile flexible pressure transmission conduit |
US9421297B2 (en) | 2014-04-02 | 2016-08-23 | Adhezion Biomedical, Llc | Sterilized compositions of cyanoacrylate monomers and naphthoquinone 2,3-oxides |
WO2015168681A1 (en) | 2014-05-02 | 2015-11-05 | Kci Licensing, Inc. | Fluid storage devices, systems, and methods |
US9546439B2 (en) | 2014-05-15 | 2017-01-17 | Zephyros, Inc. | Process of making short fiber nonwoven molded articles |
EP3854361B8 (en) | 2014-06-05 | 2024-03-27 | Solventum Intellectual Properties Company | Dressing with fluid acquisition and distribution characteristics |
US20170087270A1 (en) | 2014-06-13 | 2017-03-30 | Avery Dennison Corporation | Improved pressure-sensitive adhesives used for medical applications |
CA2961567C (en) | 2014-08-19 | 2020-11-03 | Kt Health, Llc | Kinesiology tape |
WO2016065006A1 (en) | 2014-10-21 | 2016-04-28 | The Procter & Gamble Company | Kit for improving skin appearance |
CN107407097B (en) | 2014-12-08 | 2020-11-13 | 泽菲罗斯公司 | Vertical lapping fiber floor |
EP3233001B1 (en) | 2014-12-17 | 2020-06-17 | KCI Licensing, Inc. | Dressing with offloading capability |
KR20170098269A (en) | 2014-12-22 | 2017-08-29 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Air and water barrier goods |
KR101940543B1 (en) * | 2014-12-24 | 2019-01-21 | 주식회사 엘지화학 | Acrylic adhesive sheet, adhesive tape for medical treatment and method of producing the same |
USD765389S1 (en) | 2014-12-30 | 2016-09-06 | Medline Industries, Inc. | Dispenser |
US10460715B2 (en) | 2015-01-12 | 2019-10-29 | Zephyros, Inc. | Acoustic floor underlay system |
WO2016118587A1 (en) | 2015-01-20 | 2016-07-28 | Zephyros, Inc. | Sound absorption materials based on nonwovens |
EP3294245B1 (en) | 2015-05-08 | 2019-09-04 | KCI Licensing, Inc. | Low acuity dressing with integral pump |
EP3297821B1 (en) | 2015-05-20 | 2022-07-06 | Zephyros Inc. | Multi-impedance composite |
EP3337935A4 (en) | 2015-08-18 | 2019-06-05 | 3M Innovative Properties Company | Self-sealing articles including elastic porous layer |
WO2017035239A1 (en) * | 2015-08-24 | 2017-03-02 | Rubberlite, Inc. | Foam tape product and method of manufacture |
EP3341136A4 (en) | 2015-08-26 | 2019-07-24 | 3M Innovative Properties Company | Method and apparatus for forming articles with non-uniformly patterned coatings |
US11090682B2 (en) | 2015-08-26 | 2021-08-17 | 3M Innovative Properties Company | Method and apparatus for forming articles with non-uniform discontinuous patterned coatings |
US11096830B2 (en) | 2015-09-01 | 2021-08-24 | Kci Licensing, Inc. | Dressing with increased apposition force |
WO2017048866A1 (en) | 2015-09-17 | 2017-03-23 | Kci Licensing, Inc. | Hybrid silicone and acrylic adhesive cover for use with wound treatment |
KR20180061217A (en) | 2015-09-28 | 2018-06-07 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | Patterned film articles and methods comprising a cleavable cross-linking agent |
CN108135787B (en) | 2015-10-22 | 2022-05-17 | 宝洁公司 | Barrier patch for foamed film and method of improving skin appearance |
EP3365066B1 (en) | 2015-10-22 | 2019-11-20 | The Procter and Gamble Company | Barrier patch of a foamed film and methods of improving skin appearance |
WO2017070080A1 (en) | 2015-10-22 | 2017-04-27 | The Procter & Gamble Company | Barrier patch of a foamed film and methods of improving skin appearance |
US10464285B2 (en) * | 2016-01-29 | 2019-11-05 | Panasonic Intellectual Property Management Co., Ltd. | Laminate and manufacturing method thereof |
CN112494211A (en) * | 2016-08-29 | 2021-03-16 | 唐山市博世德医疗器械有限公司 | Silica gel dressing, multifunctional silica gel negative pressure drainage device and preparation method thereof |
EP3551347B1 (en) * | 2016-12-07 | 2024-03-27 | 3M Innovative Properties Company | Methods of passivating adhesives |
US10751265B2 (en) | 2017-01-09 | 2020-08-25 | The Procter & Gamble | Barrier patch with soluble film and methods of improving skin appearance |
US10857076B2 (en) | 2017-01-09 | 2020-12-08 | The Procter & Gamble Company | Barrier patch with soluble film and methods of improving skin appearance |
US10806681B2 (en) | 2017-01-09 | 2020-10-20 | The Procter & Gamble Company | Barrier patch with soluble film and methods of improving skin appearance |
WO2018156631A1 (en) | 2017-02-23 | 2018-08-30 | 3M Innovative Properties Company | Air and water barrier article including inelastic porous layer |
WO2018237214A1 (en) | 2017-06-22 | 2018-12-27 | The Procter & Gamble Company | Beauty care films including a water-soluble layer and a vapor-deposited coating |
US10967082B2 (en) | 2017-11-08 | 2021-04-06 | Parasol Medical, Llc | Method of limiting the spread of norovirus within a cruise ship |
EP3498242A1 (en) * | 2017-12-15 | 2019-06-19 | Mölnlycke Health Care AB | Medical dressing |
EP3498243A1 (en) * | 2017-12-15 | 2019-06-19 | Mölnlycke Health Care AB | Medical dressing |
US10822502B2 (en) | 2018-03-06 | 2020-11-03 | Parasol Medical LLC | Antimicrobial solution to apply to a hull and an interior of a boat |
EP3768249B1 (en) | 2018-03-19 | 2024-04-17 | The Procter & Gamble Company | Method of making a barrier patch with soluble film |
US10864058B2 (en) | 2018-03-28 | 2020-12-15 | Parasol Medical, Llc | Antimicrobial treatment for a surgical headlamp system |
WO2019195521A1 (en) * | 2018-04-04 | 2019-10-10 | Cardiac Assist Holdings, Llc | Medical dressing removable adhesive strips |
AU2019262174C1 (en) | 2018-05-03 | 2023-09-21 | Avery Dennison Corporation | Adhesive laminates and method for making adhesive laminates |
BR112021016764A2 (en) | 2019-02-27 | 2021-10-13 | Lucas Hector Izard Smith | BREATHABLE ADHESIVE BANDAGES |
US11305033B2 (en) | 2019-03-05 | 2022-04-19 | Parasol Medical, Llc | Splinting system including an antimicrobial coating and a method of manufacturing the same |
CA3150047A1 (en) | 2019-08-07 | 2021-02-11 | 3M Innovative Properties Company | Tape, article including tape and composite layer, and related methods |
US20220340784A1 (en) | 2019-09-25 | 2022-10-27 | 3M Innovative Properties Company | Adherable film and method of manufacture thereof |
EP3816338A1 (en) * | 2019-10-31 | 2021-05-05 | UPM-Kymmene Corporation | Medical product and method for preparing thereof |
WO2021112832A1 (en) * | 2019-12-03 | 2021-06-10 | r-pac International Corp. | Breathable heat transfer label |
WO2022125810A1 (en) * | 2020-12-10 | 2022-06-16 | Paul Preston | Adhesive materials |
Family Cites Families (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US509932A (en) * | 1893-12-05 | Testing apparatus for multiple switchboards | ||
GB713838A (en) | 1950-12-22 | 1954-08-18 | Smith & Nephew | Improvements in and relating to bandages |
BE547884A (en) | 1955-05-26 | |||
US3039893A (en) * | 1959-04-23 | 1962-06-19 | Little Inc A | Surgical adhesive tape having a reticulate web pattern of adhesive formed by monofilaments of adhesive |
US3121021A (en) * | 1960-04-18 | 1964-02-11 | Minnesota Mining & Mfg | Breathable surgical adhesive tapes |
US3073304A (en) * | 1960-08-08 | 1963-01-15 | Kendall & Co | Perforated adhesive tape and bandage formed therewith |
US3364063A (en) * | 1964-07-20 | 1968-01-16 | Kendall & Co | Porous pressure-sensitive adhesive tapes |
NO134790C (en) * | 1968-07-09 | 1984-03-22 | Smith & Nephew | Kleber ,; PRESSURE SENSITIVE, WATERPUME-PERMEABLE PRODUCT FOR SKIN USE BY HUMANS. |
GB1563695A (en) | 1975-07-29 | 1980-03-26 | Smith & Nephew Res | Adhesive material |
US4152711A (en) * | 1976-04-01 | 1979-05-01 | Mitsubishi Denki Kabuchiki Kaisha | Semiconductor controlled luminescent device |
US4080348A (en) | 1976-05-18 | 1978-03-21 | Johnson & Johnson | Tacky adhesive |
GB1570669A (en) | 1978-05-25 | 1980-07-02 | Haldane & Dodd Ltd | Bandage |
US4629457A (en) * | 1978-06-21 | 1986-12-16 | Chicopee | Absorbent facing and method for making the same |
NZ199684A (en) * | 1981-02-13 | 1985-03-20 | Smith & Nephew Ass | Wound dressing;wound facing layer a conformable elastomeric integral net |
US4995382A (en) * | 1981-02-13 | 1991-02-26 | Smith And Nephew Associated Companies Limited | Wound dressing, manufacture and use |
IT1144223B (en) * | 1981-06-11 | 1986-10-29 | Angelo Dotta | SEALED PACKAGING FOR ADHESIVE BANDAGES |
AU560088B2 (en) * | 1982-04-08 | 1987-03-26 | Smith & Nephew Associated Companies Plc | Surgical adhesive dressing |
GB8309993D0 (en) * | 1983-04-13 | 1983-05-18 | Smith & Nephew Ass | Surgical adhesive dressing |
US4551490A (en) * | 1983-06-27 | 1985-11-05 | E. R. Squibb & Sons, Inc. | Adhesive composition resistant to biological fluids |
EP0136393B1 (en) | 1983-10-05 | 1988-06-22 | Lacotherm Ag | Magnetic sheets |
DE3423293C2 (en) | 1984-06-23 | 1995-08-24 | Lohmann Therapie Syst Lts | Self-adhesive plaster |
US4711871A (en) * | 1984-06-29 | 1987-12-08 | Exxon Research And Engineering Company | Catalysts comprising ruthenium on titania surface modified with group Va oxide of vanadium, niobium or tantalum |
US4879178A (en) | 1984-07-26 | 1989-11-07 | Johnson & Johnson Patient Care, Inc. | Surgical pressure sensitive adhesive sheet product |
AU563054B2 (en) * | 1984-10-24 | 1987-06-25 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Percutaneous tape of isdn |
US4773409A (en) * | 1985-09-20 | 1988-09-27 | E. R. Squibb & Sons, Inc. | Wound dressing |
US4773408A (en) * | 1985-01-04 | 1988-09-27 | E. R. Squibb & Sons, Inc. | Wound dressing |
US4753840A (en) * | 1985-01-10 | 1988-06-28 | Kimberly-Clark Corporation | Coated fabric |
US4797171A (en) * | 1985-01-10 | 1989-01-10 | Kimberly-Clark Corporation | Coated fabric and method of making the same |
USRE33353E (en) * | 1985-01-24 | 1990-09-25 | Minnesota Mining And Manufacturing Company | Thin film surgical dressing with delivery system |
US4645502A (en) * | 1985-05-03 | 1987-02-24 | Alza Corporation | Transdermal delivery of highly ionized fat insoluble drugs |
DE3539533A1 (en) | 1985-11-07 | 1987-05-14 | Liedtke Pharmed Gmbh | Plastic plaster |
US4743249A (en) * | 1986-02-14 | 1988-05-10 | Ciba-Geigy Corp. | Dermal and transdermal patches having a discontinuous pattern adhesive layer |
JPH0794380B2 (en) * | 1986-04-24 | 1995-10-11 | 久光製薬株式会社 | Skin treatment agent for transdermal administration |
JPH0323228Y2 (en) * | 1986-06-19 | 1991-05-21 | ||
US5156589A (en) * | 1986-09-05 | 1992-10-20 | Karl Otto Braun Kg | Cohesive bandage |
EP0258484B1 (en) * | 1986-09-05 | 1991-03-06 | Karl Otto Braun KG | Use of an adhesive for a cohesive dressing |
US5147698A (en) | 1986-09-30 | 1992-09-15 | Minnesota Mining And Manufacturing Company | Pressure sensitive adhesive film article having high moisture vapor transmission rate |
US5009224A (en) * | 1986-09-30 | 1991-04-23 | Minnesota Mining And Manufacturing Company | Method for attaching a pressure-sensitive film article having high moisture vapor transmission rate |
AU607172B2 (en) * | 1986-12-22 | 1991-02-28 | Cygnus, Inc. | Diffusion matrix for transdermal drug administration |
US5322695A (en) * | 1987-01-09 | 1994-06-21 | Hercon Laboratories Corporation | Moisture-vapor-permeable dressing |
EP0279579B1 (en) | 1987-02-09 | 1993-04-21 | Bridgestone Corporation | Irregular section adhesive sheets |
US4761324B1 (en) * | 1987-06-24 | 1991-05-07 | Elastic,laminated,water-proof,moisture-permeable fabric | |
DK158336C (en) * | 1987-09-22 | 1990-10-01 | Coloplast As | CONNECTOR MATERIALS FOR THE TREATMENT OF WOUNDS AND TEMPLES FOR USE IN MANUFACTURING THEREOF |
US5413567A (en) * | 1988-02-29 | 1995-05-09 | Lts Lohmann Therapie-Systeme Gmbh & Co. Kg | Primary packaging for surface-stabilized surgical dressing |
US5000172A (en) * | 1988-05-05 | 1991-03-19 | Smith & Nephew Plc | Dressing system with reference marks |
US5175052A (en) * | 1988-05-11 | 1992-12-29 | Nitto Denko Corporation | Adhesive tape preparation of clonidine |
CA1340190C (en) | 1988-08-01 | 1998-12-15 | The Kendall Company | Discontinuous adhesive surface |
JP2606803B2 (en) * | 1988-09-07 | 1997-05-07 | アルケア株式会社 | Orthopedic casting tape |
US5099832A (en) | 1988-09-07 | 1992-03-31 | Smith & Nephew Plc | Packaged sterile adhesive dressing |
EP0360458B1 (en) | 1988-09-07 | 1993-08-11 | SMITH & NEPHEW plc | Adhesive dressing, its preparation and use |
EP0364211B1 (en) * | 1988-10-11 | 1994-12-21 | Shire Holdings Ltd. | A percutaneous pharmaceutical preparation |
DE3844247A1 (en) * | 1988-12-29 | 1990-07-12 | Minnesota Mining & Mfg | DEVICE, IN PARTICULAR PLASTER FOR TRANSDERMAL ADMINISTRATION OF A MEDICINAL PRODUCT |
DE3844250A1 (en) | 1988-12-29 | 1990-07-05 | Minnesota Mining & Mfg | METHOD FOR PROVIDING A SURFACE OF A SUBSTRATE, WITH A RELEASE AGENT, AND THE OBJECT PRODUCED BY PROCEDURE |
MX21452A (en) * | 1989-07-07 | 1994-01-31 | Ciba Geigy Ag | PHARMACEUTICAL PREPARATIONS THAT ARE TOPICALLY ADMINISTERED. |
US5188124A (en) * | 1989-07-19 | 1993-02-23 | Johnson & Johnson Consumer Products, Inc. | Low friction film dressing |
US5012801A (en) * | 1989-07-19 | 1991-05-07 | Johnson & Johnson Consumer Products, Inc. | Low friction film dressing |
US5409472A (en) * | 1989-08-03 | 1995-04-25 | Smith & Nephew Plc | Adhesive polymeric foam dressings |
DE3925790A1 (en) | 1989-08-04 | 1991-02-07 | Bayer Ag | TWO-COMPONENT POLYURETHANE ADHESIVE |
US5262165A (en) * | 1992-02-04 | 1993-11-16 | Schering Corporation | Transdermal nitroglycerin patch with penetration enhancers |
US4935287A (en) * | 1989-08-30 | 1990-06-19 | Minnesota Mining And Manufacturing Company | Stretchable laminate constructions |
US5106629A (en) * | 1989-10-20 | 1992-04-21 | Ndm Acquisition Corp. | Transparent hydrogel wound dressing |
CA2045247A1 (en) | 1990-10-09 | 1992-04-10 | Thomas H. Gilman | Medical adhesive product |
DE4042441C2 (en) * | 1990-10-16 | 1997-03-06 | Beiersdorf Ag | Intermediate carrier for processes for producing a flexible, flat carrier coated with a porous adhesive layer and such processes |
MY125576A (en) | 1991-09-27 | 2006-08-30 | Johnson & Johnson Inc | No waste absorbent product. |
US5276079A (en) * | 1991-11-15 | 1994-01-04 | Minnesota Mining And Manufacturing Company | Pressure-sensitive poly(n-vinyl lactam) adhesive composition and method for producing and using same |
DK0616505T3 (en) * | 1991-11-15 | 1997-02-24 | Minnesota Mining & Mfg | |
EP0617665B1 (en) * | 1991-12-18 | 1999-03-31 | Minnesota Mining And Manufacturing Company | Multilayered barrier structures |
US5244457A (en) | 1992-03-23 | 1993-09-14 | The Kendall Company | Vented wound dressing |
CA2104046C (en) * | 1992-10-05 | 1998-09-15 | Yen-Lane Chen | Adhesive compositions, wound dressings and methods |
US5489624A (en) * | 1992-12-01 | 1996-02-06 | Minnesota Mining And Manufacturing Company | Hydrophilic pressure sensitive adhesives |
US5589249A (en) * | 1993-01-08 | 1996-12-31 | Poly-Bond, Inc. | Medical composite with discontinuous adhesive structure |
DE4308649C2 (en) * | 1993-03-18 | 1995-11-16 | Lohmann Gmbh & Co Kg | Medical plaster material and process for its production and its use |
US5681579A (en) * | 1993-03-22 | 1997-10-28 | E.R. Squibb & Sons, Inc. | Polymeric support wound dressing |
JPH0724049A (en) * | 1993-07-06 | 1995-01-27 | Johnson & Johnson Kk | Adhesive film and emergency plaster bandage therewith |
JPH0759839A (en) * | 1993-06-17 | 1995-03-07 | Sekisui Chem Co Ltd | Film for first-aid adhesive plaster |
JPH07206710A (en) * | 1994-01-21 | 1995-08-08 | Nitto Denko Corp | Tape preparation for transcutaneous administration |
US5670557A (en) * | 1994-01-28 | 1997-09-23 | Minnesota Mining And Manufacturing Company | Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same |
JP3717952B2 (en) * | 1994-04-01 | 2005-11-16 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Medical adhesive and medical dressing material having the same |
JPH07275290A (en) | 1994-04-14 | 1995-10-24 | Koichi Hishida | Nonslip wound tape band |
DE4416928C1 (en) * | 1994-05-13 | 1995-08-17 | Lohmann Gmbh & Co Kg | Medical adhesive material for sweat-resistant dressings etc. |
US5653699A (en) * | 1994-09-13 | 1997-08-05 | Polymedica Industries, Inc. | Spyrosorbent wound dressings for exudate management |
US5613942A (en) * | 1994-10-04 | 1997-03-25 | Minnesota Mining And Manufacturing Company | Adhesive sheet material suitable for use on wet surfaces |
JPH08217668A (en) | 1995-02-17 | 1996-08-27 | Dainippon Printing Co Ltd | Laminated material for application medicine and application agent using the same |
JP3471122B2 (en) * | 1995-04-26 | 2003-11-25 | アルケア株式会社 | Medical adhesive compound |
US5810756A (en) * | 1995-05-23 | 1998-09-22 | Lectec Corporation | Method of producing a perforated medical adhesive tape |
US5840327A (en) * | 1995-08-21 | 1998-11-24 | Alza Corporation | Transdermal drug delivery device having enhanced adhesion |
GB9517486D0 (en) * | 1995-08-25 | 1995-10-25 | Innovative Tech Ltd | Wound dressings |
US5846558A (en) * | 1996-03-19 | 1998-12-08 | Minnesota Mining And Manufacturing Company | Ionically conductive adhesives prepared from zwitterionic materials and medical devices using such adhesives |
US5811116A (en) * | 1996-04-30 | 1998-09-22 | Hollister Incorporated | Adhesive wafer with embossed skin-contacting surface |
WO1997042944A1 (en) | 1996-05-13 | 1997-11-20 | Novartis Consumer Health S.A. | Topical composition |
SE9601853L (en) * | 1996-05-14 | 1997-06-09 | Moelnlycke Ab | Wound dressing and manufacturing process therefore |
JPH09299396A (en) | 1996-05-17 | 1997-11-25 | Johnson & Johnson Kk | Heat seal method for adhesive tape and adhesive tape manufactured by the method |
JPH09299394A (en) * | 1996-05-17 | 1997-11-25 | Sekisui Chem Co Ltd | Moisture-permeable adhesive bandage |
DE19620109A1 (en) * | 1996-05-18 | 1997-11-20 | Beiersdorf Ag | Self-adhesive coated, air-permeable carrier material, process for its production and use |
DE19620107A1 (en) * | 1996-05-18 | 1997-11-20 | Beiersdorf Ag | Partially self-adhesive coated backing material, process for its production and use |
DE19628268A1 (en) | 1996-07-12 | 1998-01-15 | Zweckform Buero Prod Gmbh | Pressure sensitive adhesive medical tape or operation cloth |
DE19628294A1 (en) | 1996-07-12 | 1998-01-15 | Zweckform Buero Prod Gmbh | Recyclable sticky plaster |
IL130178A (en) | 1996-12-13 | 2005-08-31 | Japan Absorbent Tech Inst | Highly absorbent composite and methods for making the same, absorbent sheets incorporating the same and apparatus for making such sheets |
US5902260A (en) * | 1997-03-14 | 1999-05-11 | Hollister Incorporated | Thin film wound dressing with stretchable foraminous backing layer |
-
2000
- 2000-08-22 US US09/643,616 patent/US6495229B1/en not_active Expired - Lifetime
- 2000-09-15 AU AU74923/00A patent/AU776436B2/en not_active Ceased
- 2000-09-15 JP JP2001522945A patent/JP2003509121A/en active Pending
- 2000-09-15 EP EP00963520A patent/EP1229877B1/en not_active Revoked
- 2000-09-15 BR BRPI0014569-6A patent/BR0014569B1/en not_active IP Right Cessation
- 2000-09-15 WO PCT/US2000/025382 patent/WO2001019306A1/en active IP Right Grant
- 2000-09-15 DE DE60036126T patent/DE60036126T2/en not_active Expired - Lifetime
- 2000-09-15 CA CA002381825A patent/CA2381825C/en not_active Expired - Fee Related
- 2000-09-15 MX MXPA02002539A patent/MXPA02002539A/en active IP Right Grant
- 2000-09-15 CN CNB008129452A patent/CN1174719C/en not_active Expired - Fee Related
-
2002
- 2002-10-15 US US10/271,164 patent/US6953602B2/en not_active Expired - Lifetime
-
2003
- 2003-02-18 HK HK03101188.7A patent/HK1048934A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1229877A1 (en) | 2002-08-14 |
US6495229B1 (en) | 2002-12-17 |
BR0014569A (en) | 2002-06-18 |
AU7492300A (en) | 2001-04-17 |
JP2003509121A (en) | 2003-03-11 |
EP1229877B1 (en) | 2007-08-22 |
CN1174719C (en) | 2004-11-10 |
BR0014569B1 (en) | 2009-01-13 |
DE60036126T2 (en) | 2008-05-21 |
US20030064190A1 (en) | 2003-04-03 |
CN1374848A (en) | 2002-10-16 |
US6953602B2 (en) | 2005-10-11 |
HK1048934A1 (en) | 2003-04-25 |
AU776436B2 (en) | 2004-09-09 |
WO2001019306A1 (en) | 2001-03-22 |
MXPA02002539A (en) | 2002-07-30 |
DE60036126D1 (en) | 2007-10-04 |
EP1229877A4 (en) | 2004-10-27 |
CA2381825A1 (en) | 2001-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2381825C (en) | Pattern coated adhesive article | |
US11413370B2 (en) | Adhesive-containing wound closure device and method | |
EP0051935B1 (en) | Medical device for covering a portion of the anatomical surfaces of a living being | |
US5947917A (en) | Adhesive bandage or tape | |
US7442849B2 (en) | Thin film delivery system and method of manufacture | |
US4753232A (en) | Adhesive wound dressings | |
AU601726B2 (en) | Adhesive wound dressing | |
GB2297260A (en) | Adhesive dressing applicator | |
JPH0523369A (en) | Throw-away diaper | |
JP6679567B2 (en) | Two-stage wound dressing assembly | |
JP2003526463A (en) | Medical dressing with multiple adhesives and method of manufacture | |
JP2005500133A (en) | Stretch-removable adhesive article and method | |
JP2020096956A (en) | Wound dressing assembly | |
US20030191423A1 (en) | Breathable non-perforated bandage | |
AU2001275223A1 (en) | Breathable non-perforated bandage | |
EP1020196B1 (en) | Medical adhesive dressing and first-aid adhesive tape | |
JP6697463B2 (en) | Reinforcing tape for skin suture or after skin suture | |
WO2023203449A1 (en) | Stretch to fit bandage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20180917 |