ATE155493T1 - Hydrogelzusammensetzungen und verfahren zur herstellung davon - Google Patents

Hydrogelzusammensetzungen und verfahren zur herstellung davon

Info

Publication number
ATE155493T1
ATE155493T1 AT93306393T AT93306393T ATE155493T1 AT E155493 T1 ATE155493 T1 AT E155493T1 AT 93306393 T AT93306393 T AT 93306393T AT 93306393 T AT93306393 T AT 93306393T AT E155493 T1 ATE155493 T1 AT E155493T1
Authority
AT
Austria
Prior art keywords
polyvinyl alcohol
hydrogel compositions
complexing agent
semi
alcohol polymer
Prior art date
Application number
AT93306393T
Other languages
English (en)
Inventor
Patricia-Ann Truter
Sefora Francinah Ntshudisane
Jessica Ruth Wilson
Gillian Rae Cuthbert
Original Assignee
Adcock Ingram Ltd
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
Application filed by Adcock Ingram Ltd filed Critical Adcock Ingram Ltd
Application granted granted Critical
Publication of ATE155493T1 publication Critical patent/ATE155493T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02—Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • C08J3/246—Intercrosslinking of at least two polymers
    • 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
    • C08F8/14—Esterification
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L35/08—Copolymers with vinyl ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Preparation (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Colloid Chemistry (AREA)
AT93306393T 1992-08-13 1993-08-12 Hydrogelzusammensetzungen und verfahren zur herstellung davon ATE155493T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA926098 1992-08-13
ZA934104 1993-06-10

Publications (1)

Publication Number Publication Date
ATE155493T1 true ATE155493T1 (de) 1997-08-15

Family

ID=66817646

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93306393T ATE155493T1 (de) 1992-08-13 1993-08-12 Hydrogelzusammensetzungen und verfahren zur herstellung davon

Country Status (10)

Country Link
US (1) US5972375A (de)
EP (1) EP0583170B1 (de)
JP (1) JPH06212045A (de)
KR (1) KR940004002A (de)
AT (1) ATE155493T1 (de)
AU (1) AU664913B2 (de)
CA (1) CA2103846A1 (de)
DE (1) DE69312181T2 (de)
IL (1) IL106660A (de)
ZW (1) ZW9693A1 (de)

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Also Published As

Publication number Publication date
IL106660A (en) 1997-04-15
EP0583170B1 (de) 1997-07-16
ZW9693A1 (en) 1993-12-01
US5972375A (en) 1999-10-26
KR940004002A (ko) 1994-03-14
JPH06212045A (ja) 1994-08-02
CA2103846A1 (en) 1994-02-14
DE69312181T2 (de) 1997-12-11
AU4459993A (en) 1994-02-24
AU664913B2 (en) 1995-12-07
DE69312181D1 (de) 1997-08-21
EP0583170A1 (de) 1994-02-16

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