BRPI0408557A - método de fabricação de partìculas de polìmero superabsorvente de cor estável, partìculas superabsorventes de cor estável, artigo absorvente, e, fralda - Google Patents

método de fabricação de partìculas de polìmero superabsorvente de cor estável, partìculas superabsorventes de cor estável, artigo absorvente, e, fralda

Info

Publication number
BRPI0408557A
BRPI0408557A BRPI0408557-4A BRPI0408557A BRPI0408557A BR PI0408557 A BRPI0408557 A BR PI0408557A BR PI0408557 A BRPI0408557 A BR PI0408557A BR PI0408557 A BRPI0408557 A BR PI0408557A
Authority
BR
Brazil
Prior art keywords
stable color
superabsorbent
superabsorbent polymer
color
particles
Prior art date
Application number
BRPI0408557-4A
Other languages
English (en)
Inventor
Norbert Herfert
Michael M Azad
Peter W Carrico
Original Assignee
Basf Ag
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=33098246&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0408557(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Ag filed Critical Basf Ag
Publication of BRPI0408557A publication Critical patent/BRPI0408557A/pt
Publication of BRPI0408557B1 publication Critical patent/BRPI0408557B1/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
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

"MéTODO DE FABRICAçãO DE PARTìCULAS DE POLìMERO SUPERABSORVENTE DE COR ESTáVEL, PARTìCULAS SUPERABSORVENTES DE COR ESTáVEL, ARTIGO ABSORVENTE, E, FRALDA". Um polímero superabsorvente com estabilidade de cor tendo estabilidade de cor a longo termo, e métodos para a manufatura do polímero são expostos. O polímero superabsorvente com estabilidade de cor é preparado, de modo essencial na ausência de um persulfato, e é submetido a uma baixa dose de radiação ultravioleta. O polímero superbsorvente resultante resiste à degradação da cor durante períodos de armazenamento prolongado, mesmo em temperatura e umidade elevadas.
BRPI0408557-4A 2003-03-26 2004-03-19 Method for manufacture of stable color superabsorvent polymer particles, stable color superabsorvent particles, absorbent article, and, fralda BRPI0408557B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45774603P 2003-03-26 2003-03-26
US60/457,746 2003-03-26
PCT/EP2004/002878 WO2004085496A1 (en) 2003-03-26 2004-03-19 Color-stable superabsorbent polymer composition

Publications (2)

Publication Number Publication Date
BRPI0408557A true BRPI0408557A (pt) 2006-03-21
BRPI0408557B1 BRPI0408557B1 (pt) 2017-06-27

Family

ID=33098246

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0408557-4A BRPI0408557B1 (pt) 2003-03-26 2004-03-19 Method for manufacture of stable color superabsorvent polymer particles, stable color superabsorvent particles, absorbent article, and, fralda

Country Status (9)

Country Link
US (1) US7528291B2 (pt)
EP (1) EP1611165B1 (pt)
JP (1) JP5192689B2 (pt)
CN (1) CN1317308C (pt)
AT (1) ATE448253T1 (pt)
BR (1) BRPI0408557B1 (pt)
DE (1) DE602004024047D1 (pt)
MX (1) MXPA05009236A (pt)
WO (1) WO2004085496A1 (pt)

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Also Published As

Publication number Publication date
BRPI0408557B1 (pt) 2017-06-27
US20060252913A1 (en) 2006-11-09
EP1611165B1 (en) 2009-11-11
JP5192689B2 (ja) 2013-05-08
JP2006522181A (ja) 2006-09-28
CN1764673A (zh) 2006-04-26
CN1317308C (zh) 2007-05-23
MXPA05009236A (es) 2005-10-19
WO2004085496A1 (en) 2004-10-07
DE602004024047D1 (de) 2009-12-24
EP1611165A1 (en) 2006-01-04
ATE448253T1 (de) 2009-11-15
US7528291B2 (en) 2009-05-05

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B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Correction of the decision to grant [chapter 9.1.4 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

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