CA2317584C - Absorbent polymer compositions with high sorption capacity and high fluid permeability under an applied pressure - Google Patents

Absorbent polymer compositions with high sorption capacity and high fluid permeability under an applied pressure Download PDF

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Publication number
CA2317584C
CA2317584C CA002317584A CA2317584A CA2317584C CA 2317584 C CA2317584 C CA 2317584C CA 002317584 A CA002317584 A CA 002317584A CA 2317584 A CA2317584 A CA 2317584A CA 2317584 C CA2317584 C CA 2317584C
Authority
CA
Canada
Prior art keywords
absorbent polymer
psi
absorbent
hours
composition
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
Application number
CA002317584A
Other languages
English (en)
French (fr)
Other versions
CA2317584A1 (en
Inventor
Arman Ashraf
Bryn Hird
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble 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=26672352&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2317584(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CA2317584A1 publication Critical patent/CA2317584A1/en
Application granted granted Critical
Publication of CA2317584C publication Critical patent/CA2317584C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61F13/15—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
    • 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
    • A61F2013/15463—Absorbency
    • 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
    • A61F2013/530708—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 absorbency properties
    • A61F2013/530737—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 absorbency properties by the absorbent capacity
    • A61F2013/530744—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 absorbency properties by the absorbent capacity by the absorbency under load

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA002317584A 1998-01-07 1998-12-21 Absorbent polymer compositions with high sorption capacity and high fluid permeability under an applied pressure Expired - Fee Related CA2317584C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US390598A 1998-01-07 1998-01-07
US13032198A 1998-08-07 1998-08-07
US09/130,321 1998-08-07
US09/003,905 1998-08-07
PCT/IB1998/002086 WO1999034841A1 (en) 1998-01-07 1998-12-21 Absorbent polymer compositions with high sorption capacity and high fluid permeability under an applied pressure

Publications (2)

Publication Number Publication Date
CA2317584A1 CA2317584A1 (en) 1999-07-15
CA2317584C true CA2317584C (en) 2005-07-05

Family

ID=26672352

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002317584A Expired - Fee Related CA2317584C (en) 1998-01-07 1998-12-21 Absorbent polymer compositions with high sorption capacity and high fluid permeability under an applied pressure

Country Status (18)

Country Link
EP (1) EP1045707B1 (enExample)
JP (1) JP4480888B2 (enExample)
KR (1) KR20010033927A (enExample)
CN (1) CN1286636A (enExample)
AR (1) AR012772A1 (enExample)
AT (1) ATE389421T1 (enExample)
AU (1) AU1501099A (enExample)
BR (1) BR9813716A (enExample)
CA (1) CA2317584C (enExample)
CO (1) CO5160276A1 (enExample)
DE (1) DE69839280T2 (enExample)
HU (1) HUP0100595A3 (enExample)
IL (1) IL136764A0 (enExample)
MX (1) MXPA00006754A (enExample)
PE (1) PE20000380A1 (enExample)
TR (1) TR200001895T2 (enExample)
TW (1) TW434033B (enExample)
WO (1) WO1999034841A1 (enExample)

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WO2004110328A1 (ja) * 2003-06-13 2004-12-23 Sumitomo Seika Chemicals Co., Ltd. 吸収体およびそれが用いられた吸収性物品
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WO2006134085A1 (en) * 2005-06-14 2006-12-21 Basf Aktiengesellschaft Hydrogel-forming polymers with increased permeability and high absorption capacity
DE112008000011B4 (de) 2007-06-18 2013-11-28 The Procter & Gamble Company Einwegabsorptionsartikel und dessen Verwendung
ES2443535T3 (es) 2007-06-18 2014-02-19 The Procter & Gamble Company Artículo absorbente desechable con material polimérico absorbente en forma de partículas distribuido de forma sustancialmente continua y método
CN101808728B (zh) 2007-09-28 2012-10-17 株式会社日本触媒 一种吸水剂及其制造方法
EP2250222B1 (en) * 2008-03-07 2015-12-23 Nippon Shokubai Co., Ltd. Water absorbing agent and production method thereof
CN102014826A (zh) 2008-04-29 2011-04-13 宝洁公司 制造具有抗应变芯覆盖件的吸收芯的方法
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US9907707B2 (en) 2011-06-03 2018-03-06 The Procter & Gamble Company Sensor systems comprising auxiliary articles
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EP2535698B1 (en) 2011-06-17 2023-12-06 The Procter & Gamble Company Absorbent article having improved absorption properties
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EP2535697A1 (en) 2011-06-17 2012-12-19 The Procter & Gamble Company Method for determining properties of superabsorbent polymer particles and of absorbent structures containing such particles
EP2535027B1 (en) 2011-06-17 2022-08-17 The Procter & Gamble Company Absorbent article having improved absorption properties
WO2013078109A1 (en) 2011-11-21 2013-05-30 The Procter & Gamble Company Absorbent articles with improved absorption properties
EP2749260A1 (en) 2012-03-29 2014-07-02 The Procter and Gamble Company Method and apparatus for making personal hygiene absorbent articles
EP2671554B1 (en) 2012-06-08 2016-04-27 The Procter & Gamble Company Absorbent core for use in absorbent articles
EP2679209B1 (en) 2012-06-28 2015-03-04 The Procter & Gamble Company Absorbent articles with improved core
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EP2679208B1 (en) 2012-06-28 2015-01-28 The Procter & Gamble Company Absorbent core for use in absorbent articles
MX348890B (es) 2012-11-13 2017-07-03 Procter & Gamble Artículos absorbentes con canales y señales.
EP2740449B1 (en) 2012-12-10 2019-01-23 The Procter & Gamble Company Absorbent article with high absorbent material content
HUE044699T2 (hu) 2012-12-10 2019-11-28 Procter & Gamble Folyadékgyûjtõ-eloszlató rendszerrel kiegészített nedvszívó termék
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
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DE202012013571U1 (de) 2012-12-10 2017-12-06 The Procter & Gamble Company Absorptionspartikel mit hohem Absorptionsmaterialgehalt
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EP2740452B1 (en) 2012-12-10 2021-11-10 The Procter & Gamble Company Absorbent article with high absorbent material content
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US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
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DE112014003621B4 (de) 2013-08-08 2022-07-14 The Procter & Gamble Company Sensorsysteme für absorbierende Gegenstände umfassend Sensorschleusen
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
CN110013386B (zh) 2013-08-27 2021-10-01 宝洁公司 具有通道的吸收制品
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Also Published As

Publication number Publication date
EP1045707A1 (en) 2000-10-25
MXPA00006754A (es) 2001-01-01
ATE389421T1 (de) 2008-04-15
CN1286636A (zh) 2001-03-07
BR9813716A (pt) 2000-10-17
HUP0100595A3 (en) 2002-06-28
KR20010033927A (ko) 2001-04-25
CA2317584A1 (en) 1999-07-15
WO1999034841A1 (en) 1999-07-15
DE69839280D1 (de) 2008-04-30
CO5160276A1 (es) 2002-05-30
HUP0100595A2 (hu) 2001-06-28
TR200001895T2 (tr) 2001-07-23
AU1501099A (en) 1999-07-26
TW434033B (en) 2001-05-16
IL136764A0 (en) 2001-06-14
DE69839280T2 (de) 2009-04-23
AR012772A1 (es) 2000-11-08
PE20000380A1 (es) 2000-07-06
JP4480888B2 (ja) 2010-06-16
EP1045707B1 (en) 2008-03-19
JP2002500069A (ja) 2002-01-08

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