CA2421216C - Pulverulent, cross-linked polymers, capable of absorbing aqueous liquids and blood - Google Patents

Pulverulent, cross-linked polymers, capable of absorbing aqueous liquids and blood Download PDF

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Publication number
CA2421216C
CA2421216C CA2421216A CA2421216A CA2421216C CA 2421216 C CA2421216 C CA 2421216C CA 2421216 A CA2421216 A CA 2421216A CA 2421216 A CA2421216 A CA 2421216A CA 2421216 C CA2421216 C CA 2421216C
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CA
Canada
Prior art keywords
use according
polymer
water
crosslinking
employed
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
CA2421216A
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English (en)
French (fr)
Other versions
CA2421216A1 (en
Inventor
Richard Mertens
Jorg Harren
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.)
Evonik Operations GmbH
Original Assignee
Evonik Stockhausen GmbH
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=7655041&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2421216(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Evonik Stockhausen GmbH filed Critical Evonik Stockhausen GmbH
Publication of CA2421216A1 publication Critical patent/CA2421216A1/en
Application granted granted Critical
Publication of CA2421216C publication Critical patent/CA2421216C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00Compositions of unspecified macromolecular compounds
    • C08L101/12Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
    • C08L101/14Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity the macromolecular compounds being water soluble or water swellable, e.g. aqueous gels
    • 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
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/14Esterification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/14Water soluble or water swellable polymers, e.g. aqueous gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA2421216A 2000-09-04 2001-06-05 Pulverulent, cross-linked polymers, capable of absorbing aqueous liquids and blood Expired - Fee Related CA2421216C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10043706A DE10043706A1 (de) 2000-09-04 2000-09-04 Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10043706.0 2000-09-04
PCT/EP2001/006362 WO2002020068A1 (de) 2000-09-04 2001-06-05 Pulverförmige, vernetzte, wässrige flüssigkeiten sowie blut absorbierende polymere

Publications (2)

Publication Number Publication Date
CA2421216A1 CA2421216A1 (en) 2003-03-03
CA2421216C true CA2421216C (en) 2010-04-20

Family

ID=7655041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2421216A Expired - Fee Related CA2421216C (en) 2000-09-04 2001-06-05 Pulverulent, cross-linked polymers, capable of absorbing aqueous liquids and blood

Country Status (11)

Country Link
US (1) US6831142B2 (https=)
EP (1) EP1315528B1 (https=)
JP (1) JP5527916B2 (https=)
CN (2) CN1243572C (https=)
AT (1) ATE265238T1 (https=)
AU (2) AU6905301A (https=)
BR (1) BR0114040A (https=)
CA (1) CA2421216C (https=)
DE (2) DE10043706A1 (https=)
TW (1) TWI314058B (https=)
WO (1) WO2002020068A1 (https=)

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US7399818B2 (en) * 2004-03-16 2008-07-15 Rohm And Haas Company Curable composition and use thereof
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Also Published As

Publication number Publication date
BR0114040A (pt) 2003-07-08
AU2001269053B2 (en) 2005-12-15
US20040176557A1 (en) 2004-09-09
EP1315528A1 (de) 2003-06-04
CN100500226C (zh) 2009-06-17
TWI314058B (en) 2009-09-01
CN1792378A (zh) 2006-06-28
DE10043706A1 (de) 2002-04-25
CA2421216A1 (en) 2003-03-03
AU6905301A (en) 2002-03-22
CN1466469A (zh) 2004-01-07
US6831142B2 (en) 2004-12-14
JP2004508432A (ja) 2004-03-18
ATE265238T1 (de) 2004-05-15
EP1315528B1 (de) 2004-04-28
WO2002020068A1 (de) 2002-03-14
DE50102157D1 (de) 2004-06-03
CN1243572C (zh) 2006-03-01
JP5527916B2 (ja) 2014-06-25

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