WO2006083584A3 - Absorbent structure with improved water-absorbing material - Google Patents

Absorbent structure with improved water-absorbing material Download PDF

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Publication number
WO2006083584A3
WO2006083584A3 PCT/US2006/002113 US2006002113W WO2006083584A3 WO 2006083584 A3 WO2006083584 A3 WO 2006083584A3 US 2006002113 W US2006002113 W US 2006002113W WO 2006083584 A3 WO2006083584 A3 WO 2006083584A3
Authority
WO
WIPO (PCT)
Prior art keywords
water
absorbent structure
absorbing material
absorbing
improved water
Prior art date
Application number
PCT/US2006/002113
Other languages
French (fr)
Other versions
WO2006083584A2 (en
Inventor
Mattias Schmidt
Axel Meyer
Renae Dianna Fossum
Jean-Philippe Marie Autran
Ulrich Riegel
Thomas Daniel
Stefan Bruhns
Mark Elliot
Karl Haberle
Original Assignee
Procter & Gamble
Mattias Schmidt
Axel Meyer
Renae Dianna Fossum
Jean-Philippe Marie Autran
Ulrich Riegel
Thomas Daniel
Stefan Bruhns
Mark Elliot
Karl Haberle
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
Priority to US65029105P priority Critical
Priority to US65034405P priority
Priority to US60/650,291 priority
Priority to US60/650,344 priority
Application filed by Procter & Gamble, Mattias Schmidt, Axel Meyer, Renae Dianna Fossum, Jean-Philippe Marie Autran, Ulrich Riegel, Thomas Daniel, Stefan Bruhns, Mark Elliot, Karl Haberle filed Critical Procter & Gamble
Publication of WO2006083584A2 publication Critical patent/WO2006083584A2/en
Publication of WO2006083584A3 publication Critical patent/WO2006083584A3/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36777746&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2006083584(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/50Lubricants; Anti-adhesive agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254Polymeric or resinous material
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2998Coated including synthetic resin or polymer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]

Abstract

The present invention relates to an absorbent structure suitable in, or being an adult or infant diaper or feminine hygiene article, comprising a water-absorbing material comprising water-absorbing particles that comprise a film coating, comprising an elastic film-forming polymer and an antioxidant. The invention also relates to an absorbent structure comprising a water absorbent material obtainable by a process of: a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor at a temperature in the range from 0°C to 150°C and b) heat-treatment of the coated polymeric particles at a temperature above 50°C, wherein in step a) and/or b) an antioxidant is added.
PCT/US2006/002113 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material WO2006083584A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US65029105P true 2005-02-04 2005-02-04
US65034405P true 2005-02-04 2005-02-04
US60/650,291 2005-02-04
US60/650,344 2005-02-04

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2007554121A JP2008529590A (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material
MX2007009228A MX2007009228A (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material.
EP20060719080 EP1843797B1 (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material
CA002596870A CA2596870A1 (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material
US11/890,090 US8287999B2 (en) 2005-02-04 2007-08-03 Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/890,090 Continuation US8287999B2 (en) 2005-02-04 2007-08-03 Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant

Publications (2)

Publication Number Publication Date
WO2006083584A2 WO2006083584A2 (en) 2006-08-10
WO2006083584A3 true WO2006083584A3 (en) 2006-11-30

Family

ID=36777746

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2006/002114 WO2006083585A2 (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material
PCT/US2006/002113 WO2006083584A2 (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2006/002114 WO2006083585A2 (en) 2005-02-04 2006-01-23 Absorbent structure with improved water-absorbing material

Country Status (8)

Country Link
US (2) US8236715B2 (en)
EP (2) EP1843797B1 (en)
JP (2) JP2008529591A (en)
AT (1) AT487500T (en)
CA (2) CA2596870A1 (en)
DE (1) DE602006018110D1 (en)
MX (2) MX2007009228A (en)
WO (2) WO2006083585A2 (en)

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US9173784B2 (en) 2011-06-10 2015-11-03 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US9241845B2 (en) 2007-06-18 2016-01-26 The Procter & Gamble Company Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material
US9326896B2 (en) 2008-04-29 2016-05-03 The Procter & Gamble Company Process for making an absorbent core with strain resistant core cover
US9340363B2 (en) 2009-12-02 2016-05-17 The Procter & Gamble Company Apparatus and method for transferring particulate material
US9375358B2 (en) 2012-12-10 2016-06-28 The Procter & Gamble Company Absorbent article with high absorbent material content
US9468566B2 (en) 2011-06-10 2016-10-18 The Procter & Gamble Company Absorbent structure for absorbent articles
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