DE69323652T2 - Verfahren zur Herstellung eines hydrophilen Harzes - Google Patents

Verfahren zur Herstellung eines hydrophilen Harzes

Info

Publication number
DE69323652T2
DE69323652T2 DE69323652T DE69323652T DE69323652T2 DE 69323652 T2 DE69323652 T2 DE 69323652T2 DE 69323652 T DE69323652 T DE 69323652T DE 69323652 T DE69323652 T DE 69323652T DE 69323652 T2 DE69323652 T2 DE 69323652T2
Authority
DE
Germany
Prior art keywords
acrylate
monomer
water
polymer
ppm
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 - Lifetime
Application number
DE69323652T
Other languages
German (de)
English (en)
Other versions
DE69323652D1 (de
Inventor
Takumi Hatsuda
Yoshio Irie
Kunihiko Ishizaki
Katsuhiro Kajikawa
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
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=26480021&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69323652(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP27278992A external-priority patent/JP3357093B2/ja
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Application granted granted Critical
Publication of DE69323652D1 publication Critical patent/DE69323652D1/de
Publication of DE69323652T2 publication Critical patent/DE69323652T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69323652T 1992-06-10 1993-06-10 Verfahren zur Herstellung eines hydrophilen Harzes Expired - Lifetime DE69323652T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15042592 1992-06-10
JP27278992A JP3357093B2 (ja) 1992-10-12 1992-10-12 吸水性樹脂の製造方法

Publications (2)

Publication Number Publication Date
DE69323652D1 DE69323652D1 (de) 1999-04-08
DE69323652T2 true DE69323652T2 (de) 1999-09-09

Family

ID=26480021

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69333752T Expired - Lifetime DE69333752T3 (de) 1992-06-10 1993-06-10 Verfahren zur Herstellung eines hydrophilen Harzes
DE69323652T Expired - Lifetime DE69323652T2 (de) 1992-06-10 1993-06-10 Verfahren zur Herstellung eines hydrophilen Harzes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69333752T Expired - Lifetime DE69333752T3 (de) 1992-06-10 1993-06-10 Verfahren zur Herstellung eines hydrophilen Harzes

Country Status (5)

Country Link
US (3) US6388000B1 (OSRAM)
EP (2) EP0878488B2 (OSRAM)
DE (2) DE69333752T3 (OSRAM)
ES (1) ES2234068T5 (OSRAM)
TW (1) TW256840B (OSRAM)

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ES2234068T3 (es) 2005-06-16
EP0878488A2 (en) 1998-11-18
EP0878488A3 (en) 1999-01-07
EP0878488B1 (en) 2005-02-02
US20020161132A1 (en) 2002-10-31
DE69323652D1 (de) 1999-04-08
US20050113542A1 (en) 2005-05-26
DE69333752D1 (de) 2005-03-10
DE69333752T3 (de) 2011-03-03
EP0574260B1 (en) 1999-03-03
US6998447B2 (en) 2006-02-14
DE69333752T2 (de) 2006-01-12
EP0574260A1 (en) 1993-12-15
TW256840B (OSRAM) 1995-09-11
EP0878488B2 (en) 2010-10-27
US7078458B2 (en) 2006-07-18
US6388000B1 (en) 2002-05-14
ES2234068T5 (es) 2011-01-24

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