ATE175217T1 - Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung - Google Patents

Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung

Info

Publication number
ATE175217T1
ATE175217T1 AT92108141T AT92108141T ATE175217T1 AT E175217 T1 ATE175217 T1 AT E175217T1 AT 92108141 T AT92108141 T AT 92108141T AT 92108141 T AT92108141 T AT 92108141T AT E175217 T1 ATE175217 T1 AT E175217T1
Authority
AT
Austria
Prior art keywords
fines
aqueous fluid
fluid absorbent
absorbent polymer
polymer
Prior art date
Application number
AT92108141T
Other languages
English (en)
Inventor
Andrew T Graham
Herbert Gartner
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=24816532&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE175217(T1) "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 ATE175217T1 publication Critical patent/ATE175217T1/de

Links

Classifications

    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00

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)
  • Processes Of Treating Macromolecular Substances (AREA)
AT92108141T 1991-05-16 1992-05-14 Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung ATE175217T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/701,232 US5342899A (en) 1991-05-16 1991-05-16 Process for recycling aqueous fluid absorbents fines to a polymerizer

Publications (1)

Publication Number Publication Date
ATE175217T1 true ATE175217T1 (de) 1999-01-15

Family

ID=24816532

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92108141T ATE175217T1 (de) 1991-05-16 1992-05-14 Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung

Country Status (9)

Country Link
US (1) US5342899A (de)
EP (1) EP0513780B2 (de)
JP (1) JP3155006B2 (de)
KR (1) KR100231077B1 (de)
AT (1) ATE175217T1 (de)
CA (1) CA2068859A1 (de)
DE (1) DE69228019T3 (de)
MX (1) MX9202309A (de)
WO (1) WO1992020723A1 (de)

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Also Published As

Publication number Publication date
EP0513780B1 (de) 1998-12-30
CA2068859A1 (en) 1992-11-17
US5342899A (en) 1994-08-30
JP3155006B2 (ja) 2001-04-09
EP0513780A1 (de) 1992-11-19
WO1992020723A1 (en) 1992-11-26
DE69228019D1 (de) 1999-02-11
MX9202309A (es) 1992-11-01
DE69228019T3 (de) 2007-10-11
EP0513780B2 (de) 2007-03-14
JPH06510551A (ja) 1994-11-24
DE69228019T2 (de) 1999-08-26
KR100231077B1 (ko) 1999-11-15

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