CA2450323A1 - Process for making and aging high strength high gas barrier cellular cushioning product - Google Patents
Process for making and aging high strength high gas barrier cellular cushioning product Download PDFInfo
- Publication number
- CA2450323A1 CA2450323A1 CA002450323A CA2450323A CA2450323A1 CA 2450323 A1 CA2450323 A1 CA 2450323A1 CA 002450323 A CA002450323 A CA 002450323A CA 2450323 A CA2450323 A CA 2450323A CA 2450323 A1 CA2450323 A1 CA 2450323A1
- Authority
- CA
- Canada
- Prior art keywords
- period
- films
- cellular cushioning
- inflatable
- aging
- 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.)
- Granted
Links
Classifications
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0073—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including pillow forming
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B3/28—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 a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
- B32B37/065—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method resulting in the laminate being partially bonded
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- 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
- B32B2307/7242—Non-permeable
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
-
- 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
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
- B32B2553/02—Shock absorbing
-
- 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
- B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one 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.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24496—Foamed or cellular 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.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24661—Forming, or cooperating to form cells
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Abstract
An inflatable cushioning article is made by a process of extruding two multilayer films (or extruding one film which is either annular or folded over) each having (a) a seal layer, (b) a tie layer containing an anhydride modified olefin polymer containing anhydride at a level of at least 150 ppm, based on the weight of the modified olefin polymer, and (c) an oxygen barrier layer comprising crystalline polyamide, crystalline polyester, ethylene/vinyl alcohol copolymer, polyacrylonitrile, and/or crystalline polycycloolefin. Selected portions of the films are heat sealed to one another in a selected area providing a heat seal pattern which leaves inflatable chambers between the films, whereby an inflatable cellular cushioning article is produced. At some point after extrusion, at least one of the multilayer films are aged for a time and at a temperature in accordance with at least one member selected from the group consisting of: (i) 141°F to 250°F for a period of at least 1 second; (ii) 101°F to 140°F for a period of at least 10 minutes; (iii) 61°F to 100°F for a period of at least 1 hour;
and (iv) 30°F to 60°F for a period of at least 1 day. After aging, the cellular cushioning article is inflated.
Preferably, the article is inflated to an internal pressure of at least 1.5 psi.
and (iv) 30°F to 60°F for a period of at least 1 day. After aging, the cellular cushioning article is inflated.
Preferably, the article is inflated to an internal pressure of at least 1.5 psi.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/302,004 | 2002-11-22 | ||
US10/302,004 US6982113B2 (en) | 2002-11-22 | 2002-11-22 | High strength high gas barrier cellular cushioning product |
US10/648,015 US7018495B2 (en) | 2002-11-22 | 2003-08-26 | Process for making and aging high strength high gas barrier cellular cushioning product |
US10/648,015 | 2003-08-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2450323A1 true CA2450323A1 (en) | 2004-05-22 |
CA2450323C CA2450323C (en) | 2007-07-17 |
Family
ID=32233108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2450323 Expired - Fee Related CA2450323C (en) | 2002-11-22 | 2003-11-20 | Process for making and aging high strength high gas barrier cellular cushioning product |
Country Status (7)
Country | Link |
---|---|
US (1) | US7018495B2 (en) |
EP (1) | EP1422057B1 (en) |
AT (1) | ATE352415T1 (en) |
CA (1) | CA2450323C (en) |
DE (1) | DE60311387T2 (en) |
ES (1) | ES2280672T3 (en) |
NZ (1) | NZ529475A (en) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
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AU2002331667B8 (en) * | 2002-08-22 | 2009-03-05 | Sealed Air Corporation (Us) | Process for making laminated film article having inflatable chambers |
US7135276B2 (en) | 2003-10-09 | 2006-11-14 | Fuji Photo Film Co., Ltd. | Photothermographic material and method for preparing photosensitive silver halide emulsion |
US7807253B2 (en) * | 2005-03-21 | 2010-10-05 | Sealed Air Corporation (Us) | Formed inflatable cellular cushioning article and method of making same |
US7482051B2 (en) * | 2005-04-11 | 2009-01-27 | Air-Paq, Inc. | Structure of inflatable air-packing device having check valve and multiple air bubbles |
US8179254B2 (en) * | 2005-05-24 | 2012-05-15 | The Invention Science Fund I, Llc | Actuatable cushioning elements |
US8059000B2 (en) * | 2005-05-24 | 2011-11-15 | The Invention Science Fund I, Llc | Wearable/portable protection for a body |
US8102258B2 (en) * | 2005-05-24 | 2012-01-24 | The Invention Science Fund I, Llc | Actuatable cushioning elements |
US10539941B2 (en) | 2005-05-24 | 2020-01-21 | Deep Science, Llc | Energy dissipative cushioning elements |
US8033571B2 (en) | 2005-05-24 | 2011-10-11 | The Invention Science Fund I, Llc | Energy dissipative cushioning elements |
WO2007110080A2 (en) * | 2006-03-28 | 2007-10-04 | Amcor Flexibles Denmark A/S | A multilayer film free of halogens which is impermeable to aroma compounds |
US20080063845A1 (en) * | 2006-09-12 | 2008-03-13 | Excel-Pac Inc. | Multilayer structures, uses and preparation thereof |
WO2008036641A2 (en) * | 2006-09-20 | 2008-03-27 | Pregis Innovative Packaging Inc. | Inflation and sealing device for inflatable air cushions |
TW200914328A (en) * | 2007-09-26 | 2009-04-01 | Chieh-Hua Liao | Inflation apparatus for continuously inflating type airtight body and inflating method thereof |
DE102008038149A1 (en) * | 2008-08-18 | 2010-02-25 | Meloni Gmbh | feather |
JP5339350B2 (en) * | 2009-01-23 | 2013-11-13 | サンアロマー株式会社 | Crystalline resin film or sheet manufacturing method and manufacturing apparatus |
US8167490B2 (en) | 2009-04-22 | 2012-05-01 | Reynolds Consumer Products Inc. | Multilayer stretchy drawstring |
US8468779B2 (en) * | 2009-05-05 | 2013-06-25 | Sealed Air Corporation (Us) | Method and apparatus for positioning, inflating, and sealing a mailer comprising an inner inflatable liner |
US8745960B2 (en) * | 2009-05-05 | 2014-06-10 | Sealed Air Corporation (Us) | Apparatus and method for inflating and sealing an inflatable mailer |
US8568029B2 (en) * | 2009-05-05 | 2013-10-29 | Sealed Air Corporation (Us) | Inflatable mailer, apparatus, and method for making the same |
TW201121848A (en) * | 2009-12-31 | 2011-07-01 | yao-xin Liao | Continuous inflation type airtight body and manufacturing method thereof. |
US9623622B2 (en) | 2010-02-24 | 2017-04-18 | Michael Baines | Packaging materials and methods |
EP2744654A1 (en) | 2011-08-19 | 2014-06-25 | Avery Dennison Corporation | Low noise flexible barrier films |
EP2794266A1 (en) | 2011-12-22 | 2014-10-29 | Avery Dennison Corporation | Flexible barrier films containing cyclic olefins |
US9017799B2 (en) | 2012-12-05 | 2015-04-28 | Sealed Air Corporation (Us) | Air cellular cushioning article of enhanced strength per unit weight of film, and process for making same |
US9016018B2 (en) | 2013-01-22 | 2015-04-28 | Laticrete International, Inc. | Support plate for installing tile |
US9969136B2 (en) | 2013-04-19 | 2018-05-15 | Sealed Air Corporation (Us) | Inflatable pouches |
US20150033669A1 (en) | 2013-07-31 | 2015-02-05 | Pregis Innovative Packaging, Inc. | Multilayer film with enhanced interlayer adhesion |
US10589493B2 (en) * | 2015-03-18 | 2020-03-17 | Mitsubishi Chemical Corporation | Multilayer structure, and packaging material formed from the multilayer structure |
JP6805513B2 (en) * | 2015-03-18 | 2020-12-23 | 三菱ケミカル株式会社 | Multi-layer structure |
DE102015122961A1 (en) * | 2015-12-30 | 2017-07-06 | Mondi Ag | Air-chamber foil packaging and method for producing an air-chamber foil packaging |
EP3436258B1 (en) * | 2016-03-28 | 2022-06-01 | Pregis Innovative Packaging LLC | Inflatable-cushion inflation and sealing device |
US20190248094A1 (en) | 2016-10-26 | 2019-08-15 | Sealed Air Corporation (Us) | Film inflation systems and components thereof |
WO2018085610A1 (en) | 2016-11-04 | 2018-05-11 | Sealed Air Corporation (Us) | Inflatable pouches |
EP3642130B1 (en) | 2017-06-19 | 2021-12-22 | Sealed Air Corporation (US) | Method and systems for forming a cushion package and cushion package obtained for object protection |
WO2019010073A1 (en) | 2017-07-06 | 2019-01-10 | Sealed Air Corporation (Us) | Packaging with inflated quilt and resilient insert |
EP3814235B1 (en) | 2018-06-29 | 2023-04-05 | Sealed Air Corporation (US) | End seal carriage velocity differential |
EP3830013B1 (en) | 2018-07-30 | 2023-06-28 | Sealed Air Corporation (US) | Mandrel for holding and aligning film supply rolls |
EP3898423A1 (en) | 2018-12-21 | 2021-10-27 | Sealed Air Corporation (US) | Automated packaging station and system for packaging objects |
WO2020172094A1 (en) | 2019-02-22 | 2020-08-27 | Sealed Air Corporation (Us) | Tension-inducing shaft assemblies |
WO2020227586A1 (en) | 2019-05-09 | 2020-11-12 | Sealed Air Corporation (Us) | Path correction of inflatable web materials |
US20220219851A1 (en) | 2019-05-09 | 2022-07-14 | Sealed Air Corporation (Us) | Inflatable web materials and rails for guiding the same |
WO2020227585A1 (en) | 2019-05-09 | 2020-11-12 | Sealed Air Corporation (Us) | Inflation nozzles for closed channel web materials |
WO2020227590A1 (en) | 2019-05-09 | 2020-11-12 | Sealed Air Corporation (Us) | Inflatable air cellular material with folding zones |
WO2020227587A1 (en) | 2019-05-09 | 2020-11-12 | Sealed Air Corporation (Us) | Inflatable web materials and seal structures thereof |
US20220234325A1 (en) | 2019-05-09 | 2022-07-28 | Sealed Air Corporation (Us) | Guides for folded portions of inflatable webs |
DE102019004313A1 (en) * | 2019-06-19 | 2020-12-24 | Rainer Gmbh | Air cushions as packaging protection |
US11845600B2 (en) | 2019-08-28 | 2023-12-19 | Sealed Air Corporation (Us) | Inflatable packaging material with non-continuous longitudinal channels |
WO2021081028A1 (en) | 2019-10-22 | 2021-04-29 | Sealed Air Corporation (Us) | Inflators for inflatable webs with gas moving devices in series |
EP4048513A1 (en) | 2019-10-22 | 2022-08-31 | Sealed Air Corporation (US) | Passive tracking for inflatable webs along inflation nozzle |
CN116438057A (en) | 2020-10-08 | 2023-07-14 | 希悦尔公司 | Buffering type web material capable of closing bag |
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-
2003
- 2003-08-26 US US10/648,015 patent/US7018495B2/en not_active Expired - Lifetime
- 2003-11-12 NZ NZ529475A patent/NZ529475A/en unknown
- 2003-11-17 AT AT03026183T patent/ATE352415T1/en not_active IP Right Cessation
- 2003-11-17 ES ES03026183T patent/ES2280672T3/en not_active Expired - Lifetime
- 2003-11-17 DE DE2003611387 patent/DE60311387T2/en not_active Expired - Lifetime
- 2003-11-17 EP EP20030026183 patent/EP1422057B1/en not_active Expired - Lifetime
- 2003-11-20 CA CA 2450323 patent/CA2450323C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1422057B1 (en) | 2007-01-24 |
DE60311387D1 (en) | 2007-03-15 |
EP1422057A1 (en) | 2004-05-26 |
DE60311387T2 (en) | 2007-11-08 |
US20040099986A1 (en) | 2004-05-27 |
US7018495B2 (en) | 2006-03-28 |
CA2450323C (en) | 2007-07-17 |
ATE352415T1 (en) | 2007-02-15 |
NZ529475A (en) | 2005-09-30 |
ES2280672T3 (en) | 2007-09-16 |
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