BR0104140B1 - resina absorvente à água, seu processo de produção e material higiênico compreendendo a referida resina. - Google Patents

resina absorvente à água, seu processo de produção e material higiênico compreendendo a referida resina.

Info

Publication number
BR0104140B1
BR0104140B1 BRPI0104140-1A BR0104140A BR0104140B1 BR 0104140 B1 BR0104140 B1 BR 0104140B1 BR 0104140 A BR0104140 A BR 0104140A BR 0104140 B1 BR0104140 B1 BR 0104140B1
Authority
BR
Brazil
Prior art keywords
resin
water
production process
sanitary material
absorbent resin
Prior art date
Application number
BRPI0104140-1A
Other languages
English (en)
Other versions
BR0104140A (pt
Inventor
Takumi Hatsuda
Yoshio Irie
Masatoshi Nakamura
Katsuyuki Wada
Shinichi Fujino
Kazuki Kimura
Kunihiko Ishizaki
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=26600356&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0104140(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR0104140A publication Critical patent/BR0104140A/pt
Publication of BR0104140B1 publication Critical patent/BR0104140B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/122—Pulverisation by spraying
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S524/916—Hydrogel compositions
    • 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.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
BRPI0104140-1A 2000-09-20 2001-09-19 resina absorvente à água, seu processo de produção e material higiênico compreendendo a referida resina. BR0104140B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000285658 2000-09-20
JP2000336813 2000-11-06

Publications (2)

Publication Number Publication Date
BR0104140A BR0104140A (pt) 2002-05-07
BR0104140B1 true BR0104140B1 (pt) 2011-05-17

Family

ID=26600356

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0104140-1A BR0104140B1 (pt) 2000-09-20 2001-09-19 resina absorvente à água, seu processo de produção e material higiênico compreendendo a referida resina.

Country Status (6)

Country Link
US (2) US6720389B2 (pt)
EP (2) EP1191051B1 (pt)
JP (1) JP5430620B2 (pt)
CN (3) CN1305938C (pt)
BR (1) BR0104140B1 (pt)
DE (1) DE60143377D1 (pt)

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CN100497447C (zh) 2009-06-10
EP1191051B1 (en) 2010-11-03
CN1644607A (zh) 2005-07-27
CN1515604A (zh) 2004-07-28
JP2011214016A (ja) 2011-10-27
US6720389B2 (en) 2004-04-13
EP2272898B1 (en) 2014-11-26
EP2272898A1 (en) 2011-01-12
CN1221594C (zh) 2005-10-05
CN1346839A (zh) 2002-05-01
US20040186244A1 (en) 2004-09-23
JP5430620B2 (ja) 2014-03-05
BR0104140A (pt) 2002-05-07
EP1191051A3 (en) 2002-09-25
CN1305938C (zh) 2007-03-21
US20020061978A1 (en) 2002-05-23
DE60143377D1 (de) 2010-12-16
US7183456B2 (en) 2007-02-27

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