DE69225354D1 - Runzelige Absorbentpartikel mit grosser effektiver Oberfläche und hoher Aufnahmegeschwindigkeit - Google Patents

Runzelige Absorbentpartikel mit grosser effektiver Oberfläche und hoher Aufnahmegeschwindigkeit

Info

Publication number
DE69225354D1
DE69225354D1 DE69225354T DE69225354T DE69225354D1 DE 69225354 D1 DE69225354 D1 DE 69225354D1 DE 69225354 T DE69225354 T DE 69225354T DE 69225354 T DE69225354 T DE 69225354T DE 69225354 D1 DE69225354 D1 DE 69225354D1
Authority
DE
Germany
Prior art keywords
polymers
subject invention
effective surface
high absorption
wrinkled
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
DE69225354T
Other languages
English (en)
Other versions
DE69225354T2 (de
Inventor
Frederick W Stanley
Jack C Lamphere
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.)
Sorbent Therapeutics Inc
Original Assignee
Dow Chemical Co
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=24695229&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69225354(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE69225354D1 publication Critical patent/DE69225354D1/de
Publication of DE69225354T2 publication Critical patent/DE69225354T2/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
    • C08F2/00—Processes of polymerisation
    • C08F2/32—Polymerisation in water-in-oil emulsions
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
DE69225354T 1991-03-19 1992-03-14 Runzelige Absorbentpartikel mit grosser effektiver Oberfläche und hoher Aufnahmegeschwindigkeit Expired - Lifetime DE69225354T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67161691A 1991-03-19 1991-03-19

Publications (2)

Publication Number Publication Date
DE69225354D1 true DE69225354D1 (de) 1998-06-10
DE69225354T2 DE69225354T2 (de) 1998-12-03

Family

ID=24695229

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225354T Expired - Lifetime DE69225354T2 (de) 1991-03-19 1992-03-14 Runzelige Absorbentpartikel mit grosser effektiver Oberfläche und hoher Aufnahmegeschwindigkeit

Country Status (8)

Country Link
US (1) US5744564A (de)
EP (1) EP0516925B1 (de)
JP (1) JP3258660B2 (de)
AT (1) ATE165751T1 (de)
AU (1) AU1752292A (de)
DE (1) DE69225354T2 (de)
MX (1) MX9201201A (de)
WO (1) WO1992016565A1 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
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US6713661B1 (en) 1998-04-28 2004-03-30 The Procter & Gamble Company Absorbent articles providing improved fit when wet
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US20040214499A1 (en) * 2003-04-25 2004-10-28 Kimberly-Clark Worldwide, Inc. Absorbent structure with superabsorbent material
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EP1736508A1 (de) * 2005-06-22 2006-12-27 Basf Aktiengesellschaft Hydrogel-bildende Polymere mit erhöhter Durchlässigkeit und hohem Absorptionsvermögen
WO2006134085A1 (en) * 2005-06-14 2006-12-21 Basf Aktiengesellschaft Hydrogel-forming polymers with increased permeability and high absorption capacity
US8741427B2 (en) * 2005-07-19 2014-06-03 Dow Global Technologies Llc Microcavity-containing resilient, thermoplastic foam; composite of such foam and particles; methods of preparing and articles prepared from same
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US8729190B2 (en) 2007-03-01 2014-05-20 Nippon Shokubai Co., Ltd. Particular water-absorbent agent having water-absorbent resin as main component
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WO2009113679A1 (ja) 2008-03-13 2009-09-17 株式会社日本触媒 吸水性樹脂を主成分とする粒子状吸水剤の製造方法
EP2263957B1 (de) 2008-03-28 2013-02-13 Nippon Shokubai Co., Ltd. Transportverfahren für absorbierendes Harzpulver
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US8392161B2 (en) 2009-09-10 2013-03-05 The Procter & Gamble Company Computer based models for absorbent articles
CN102548654A (zh) 2009-09-29 2012-07-04 株式会社日本触媒 颗粒状吸水剂及其制造方法
CN103153455A (zh) 2010-09-30 2013-06-12 株式会社日本触媒 颗粒状吸水剂及其制造方法
WO2014034667A1 (ja) 2012-08-27 2014-03-06 株式会社日本触媒 粒子状吸水剤及びその製造方法
CN104703691B (zh) 2012-10-03 2018-03-02 株式会社日本触媒 吸水剂及其制造方法
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US9092585B2 (en) 2013-01-22 2015-07-28 The Procter & Gamble Company Computer based models for absorbent articles
KR20160061743A (ko) 2014-11-24 2016-06-01 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
JP6497160B2 (ja) * 2015-03-26 2019-04-10 コニカミノルタ株式会社 異形樹脂微粒子の製造方法
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Also Published As

Publication number Publication date
EP0516925A1 (de) 1992-12-09
ATE165751T1 (de) 1998-05-15
DE69225354T2 (de) 1998-12-03
US5744564A (en) 1998-04-28
MX9201201A (es) 1992-10-01
WO1992016565A1 (en) 1992-10-01
JP3258660B2 (ja) 2002-02-18
JPH06506252A (ja) 1994-07-14
EP0516925B1 (de) 1998-05-06
AU1752292A (en) 1992-10-21

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Owner name: SORBENT THERAPEUTICS, INC., VERNON HILLS, ILL., US