BR0007995A - Hidrogel altamente intumescìvel, reticulado,hidrofìlico, baseado em monÈmeros polimerizadosou baseados em polìmeros em enxerto, processopara produção de hidrogéis altamenteintumescìveis reticulados, hidrofìlico, e, uso dehidrogéis altamente intumescìveis, reticulados,hidrofìlicos - Google Patents

Hidrogel altamente intumescìvel, reticulado,hidrofìlico, baseado em monÈmeros polimerizadosou baseados em polìmeros em enxerto, processopara produção de hidrogéis altamenteintumescìveis reticulados, hidrofìlico, e, uso dehidrogéis altamente intumescìveis, reticulados,hidrofìlicos

Info

Publication number
BR0007995A
BR0007995A BR0007995-2A BR0007995A BR0007995A BR 0007995 A BR0007995 A BR 0007995A BR 0007995 A BR0007995 A BR 0007995A BR 0007995 A BR0007995 A BR 0007995A
Authority
BR
Brazil
Prior art keywords
hydrophilic
linked
cross
highly
hydrogels
Prior art date
Application number
BR0007995-2A
Other languages
English (en)
Inventor
Ruediger Funk
Norbert Herfert
Mariola Wanior
Patricia D Brown
Ritz Engelhardt
Guy T Woodrum
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=22926109&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0007995(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 BR0007995A publication Critical patent/BR0007995A/pt

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
    • C08F220/00—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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—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
    • 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
    • C08F8/00—Chemical modification by after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Graft Or Block Polymers (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Colloid Chemistry (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

"HIDROGEL ALTAMENTE INTUMESCìVEL, RETICULãDO,HIDROFILICO, BASEADO EM MONÈMEROS POLIMERIZADOSOU BASEADOS EM POLìMEROS DE ENXERTO, PROCESSOPARA PRODUçãO DE HIDROGéIS ALTAMENTEINTUMESCìVEIS RETICULADOS, HIDROFìLICO,E, USO DEHIDROGéIS ALTAMENTE INTUMESCìVEIS, RETICULADOS,HIDROFìLICOS". Os hidrogéis são baseados em monómerospolimerizados ou em polímeros de enxerto e cada um tem o ìndicede Absortividade sob Pressão < 100 e absorção vertical de nãomenos do que 12 g/g mediante pressão de 1922,8 Pa. Eles sãoproduzidos através de monómeros hidrofilicos de polimerizaçãoradicalmente livre que contêm certos grupos ácidos, ou seus saisde metal alcalino ou amónio, com (a) reticulador decopolimerização que contém pelo menos duas duplas ligaçõesetilenicamente insaturadas na molécula, e (b) reticulador reativo Aque contém a dupla ligação etilenicamente insaturada e pelomenos um grupo funcional capaz de formar ligações covalentescom os grupos ácidos dos polímeros hidrofílicos, o reticuladorreativo B que contém pelo menos dois grupos funcionais capazesde formar ligações covalentes com os grupos ácidos dos polímeroshidrofílicos, e/ou com íons de metais polivalentes opcionalmentena presença de pelo menos uma base de enxerto para formar opolímero base hidrofílico reticulada, fragmentando o citadopolímero base e formando a pós-reticulação na superfície daspartículas do citado polímero base, e são úteis como absorventespara água e fluidos aquosos.
BR0007995-2A 1999-02-05 2000-01-29 Hidrogel altamente intumescìvel, reticulado,hidrofìlico, baseado em monÈmeros polimerizadosou baseados em polìmeros em enxerto, processopara produção de hidrogéis altamenteintumescìveis reticulados, hidrofìlico, e, uso dehidrogéis altamente intumescìveis, reticulados,hidrofìlicos BR0007995A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/245,298 US6297335B1 (en) 1999-02-05 1999-02-05 Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof
PCT/EP2000/000703 WO2000046260A1 (de) 1999-02-05 2000-01-29 Vernetzte, hydrophile, hochquellfähige hydrogele, verfahren zu ihrer herstellung und ihre verwendung

Publications (1)

Publication Number Publication Date
BR0007995A true BR0007995A (pt) 2001-10-30

Family

ID=22926109

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0007995-2A BR0007995A (pt) 1999-02-05 2000-01-29 Hidrogel altamente intumescìvel, reticulado,hidrofìlico, baseado em monÈmeros polimerizadosou baseados em polìmeros em enxerto, processopara produção de hidrogéis altamenteintumescìveis reticulados, hidrofìlico, e, uso dehidrogéis altamente intumescìveis, reticulados,hidrofìlicos

Country Status (10)

Country Link
US (1) US6297335B1 (pt)
EP (1) EP1165638B1 (pt)
JP (1) JP2002536471A (pt)
AT (1) ATE263788T1 (pt)
BR (1) BR0007995A (pt)
CA (1) CA2361577A1 (pt)
DE (1) DE50005996D1 (pt)
ES (1) ES2219310T3 (pt)
MX (1) MXPA01007454A (pt)
WO (1) WO2000046260A1 (pt)

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US7312278B2 (en) * 2001-06-08 2007-12-25 Nippon Shokubai Co., Ltd. Water-absorbing agent and production process therefor, and sanitary material
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US7396584B2 (en) 2001-11-21 2008-07-08 Basf Aktiengesellschaft Crosslinked polyamine coating on superabsorbent hydrogels
WO2003043670A1 (en) 2001-11-21 2003-05-30 Basf Aktiengesellschaft Crosslinked polyamine coating on superabsorbent hydrogels
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US20060173431A1 (en) * 2005-02-01 2006-08-03 Laumer Jason M Absorbent articles comprising polyamine-coated superabsorbent polymers
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Also Published As

Publication number Publication date
EP1165638A1 (de) 2002-01-02
ATE263788T1 (de) 2004-04-15
MXPA01007454A (es) 2001-12-01
ES2219310T3 (es) 2004-12-01
WO2000046260A1 (de) 2000-08-10
EP1165638B1 (de) 2004-04-07
DE50005996D1 (de) 2004-05-13
CA2361577A1 (en) 2000-08-10
JP2002536471A (ja) 2002-10-29
US6297335B1 (en) 2001-10-02

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Legal Events

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B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFERIMENTO DO PRESENTE PEDIDO DE PATENTE COMO INVENCAO, DE ACORDO COM O ART. 8O DA LEI NO 9.279, DE 14 DE MAIO DE 1996.

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.