WO2000062825A3 - Superabsorbent-containing composites - Google Patents

Superabsorbent-containing composites Download PDF

Info

Publication number
WO2000062825A3
WO2000062825A3 PCT/US2000/010324 US0010324W WO0062825A3 WO 2000062825 A3 WO2000062825 A3 WO 2000062825A3 US 0010324 W US0010324 W US 0010324W WO 0062825 A3 WO0062825 A3 WO 0062825A3
Authority
WO
WIPO (PCT)
Prior art keywords
superabsorbent
containing composites
particle
composites
materials
Prior art date
Application number
PCT/US2000/010324
Other languages
French (fr)
Other versions
WO2000062825A2 (en
Inventor
William G Reeves
Patsy A Hansen
Alexander Schmidt-Foerst
Heather A Sorebo
Jack N Lindon
Herbert E Grube
Wendy L Hamilton
Emmanuelle C Damay
Original Assignee
Kimberly Clark Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26827877&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2000062825(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE60022871T priority Critical patent/DE60022871T2/en
Priority to KR1020017013124A priority patent/KR20020013850A/en
Priority to JP2000611961A priority patent/JP2003519245A/en
Priority to EP00923443A priority patent/EP1171171B1/en
Priority to PL00364857A priority patent/PL364857A1/en
Application filed by Kimberly Clark Co filed Critical Kimberly Clark Co
Priority to IL14441000A priority patent/IL144410A0/en
Priority to CA002362314A priority patent/CA2362314A1/en
Priority to MXPA01010256 priority patent/MX238612B/en
Priority to BR0009808-6A priority patent/BR0009808A/en
Priority to AT00923443T priority patent/ATE305314T1/en
Priority to AU43565/00A priority patent/AU760265B2/en
Publication of WO2000062825A2 publication Critical patent/WO2000062825A2/en
Publication of WO2000062825A3 publication Critical patent/WO2000062825A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • 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
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15544—Permeability
    • 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
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • 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
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530671—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials being mixed with mineral or inert material, e.g. "introfying particles"
    • 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
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530788—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the gel layer permeability
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2995—Silane, siloxane or silicone coating

Abstract

Superabsorbent-containing composites containing at least one particle of a superabsorbent material covered with at least a first layer of at least one particle of at least one coating material. The superabsorbent materials are desirably stiff-gelling superabsorbent materials. The superabsorbent-containing composites of the present invention are particularly suitable for use in sanitary napkins, diapers and other disposable absorbent articles that handle complex fluids.
PCT/US2000/010324 1999-04-16 2000-04-17 Superabsorbent-containing composites WO2000062825A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AU43565/00A AU760265B2 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
CA002362314A CA2362314A1 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
JP2000611961A JP2003519245A (en) 1999-04-16 2000-04-17 Superabsorber-containing composite
EP00923443A EP1171171B1 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
PL00364857A PL364857A1 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
DE60022871T DE60022871T2 (en) 1999-04-16 2000-04-17 SUPER ABSORBING POLYMERS CONTAINING COMPOSITE MATERIALS
IL14441000A IL144410A0 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
KR1020017013124A KR20020013850A (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites
MXPA01010256 MX238612B (en) 1999-04-16 2000-04-17 COMPOUNDS CONTAINING SUPERABSORBENT.
BR0009808-6A BR0009808A (en) 1999-04-16 2000-04-17 Composites containing super absorbents
AT00923443T ATE305314T1 (en) 1999-04-16 2000-04-17 COMPOSITE MATERIALS CONTAINING SUPERABSORBENT POLYMERS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12974499P 1999-04-16 1999-04-16
US60/129,744 1999-04-16
US09/545,156 US6387495B1 (en) 1999-04-16 2000-04-07 Superabsorbent-containing composites
US09/545,156 2000-04-07

Publications (2)

Publication Number Publication Date
WO2000062825A2 WO2000062825A2 (en) 2000-10-26
WO2000062825A3 true WO2000062825A3 (en) 2001-01-11

Family

ID=26827877

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/010324 WO2000062825A2 (en) 1999-04-16 2000-04-17 Superabsorbent-containing composites

Country Status (23)

Country Link
US (1) US6387495B1 (en)
EP (1) EP1171171B1 (en)
JP (1) JP2003519245A (en)
KR (1) KR20020013850A (en)
CN (1) CN1187099C (en)
AR (3) AR039044A1 (en)
AT (1) ATE305314T1 (en)
AU (1) AU760265B2 (en)
BR (1) BR0009808A (en)
CA (1) CA2362314A1 (en)
CO (1) CO5160300A1 (en)
CZ (1) CZ20013564A3 (en)
DE (1) DE60022871T2 (en)
IL (1) IL144410A0 (en)
IN (1) IN2001CH01371A (en)
MX (1) MX238612B (en)
PE (1) PE20001408A1 (en)
PH (1) PH12000000949B1 (en)
PL (1) PL364857A1 (en)
RU (1) RU2248221C2 (en)
TR (1) TR200102986T2 (en)
TW (1) TWI231761B (en)
WO (1) WO2000062825A2 (en)

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