EP0797618A4 - Color stabilization of aqueous heterocyclic copolymer - Google Patents

Color stabilization of aqueous heterocyclic copolymer

Info

Publication number
EP0797618A4
EP0797618A4 EP95940854A EP95940854A EP0797618A4 EP 0797618 A4 EP0797618 A4 EP 0797618A4 EP 95940854 A EP95940854 A EP 95940854A EP 95940854 A EP95940854 A EP 95940854A EP 0797618 A4 EP0797618 A4 EP 0797618A4
Authority
EP
European Patent Office
Prior art keywords
aqueous
color stabilization
heterocyclic copolymer
heterocyclic
copolymer
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.)
Withdrawn
Application number
EP95940854A
Other languages
German (de)
French (fr)
Other versions
EP0797618A1 (en
Inventor
Yuanzhen Zhong
Philip F Wolf
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.)
ISP Investments LLC
Original Assignee
ISP Investments LLC
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
Priority claimed from US08/355,137 external-priority patent/US5534564A/en
Priority claimed from US08/534,753 external-priority patent/US5604275A/en
Application filed by ISP Investments LLC filed Critical ISP Investments LLC
Publication of EP0797618A1 publication Critical patent/EP0797618A1/en
Publication of EP0797618A4 publication Critical patent/EP0797618A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0091—Complexes with metal-heteroatom-bonds
    • 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
    • C08F226/00—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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—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 single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP95940854A 1994-12-13 1995-11-29 Color stabilization of aqueous heterocyclic copolymer Withdrawn EP0797618A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/355,137 US5534564A (en) 1994-12-13 1994-12-13 Process for the color stabilization of an aqueous N-vinyl heterocyclic copolymer solution
US355137 1994-12-13
US08/534,753 US5604275A (en) 1994-12-13 1995-09-27 Color stabilized aqueous n-vinyl heterocyclic copolymer solutions
US534753 1995-09-27
PCT/US1995/015434 WO1996018673A1 (en) 1994-12-13 1995-11-29 Color stabilization of aqueous heterocyclic copolymer

Publications (2)

Publication Number Publication Date
EP0797618A1 EP0797618A1 (en) 1997-10-01
EP0797618A4 true EP0797618A4 (en) 1998-04-08

Family

ID=26998714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95940854A Withdrawn EP0797618A4 (en) 1994-12-13 1995-11-29 Color stabilization of aqueous heterocyclic copolymer

Country Status (3)

Country Link
EP (1) EP0797618A4 (en)
CN (1) CN1217006A (en)
WO (1) WO1996018673A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3999022B2 (en) * 2002-04-04 2007-10-31 株式会社日本触媒 Vinyl pyrrolidone polymer
DE102005005974A1 (en) * 2005-02-09 2006-08-10 Basf Ag Process for the stabilization of polyvinylpyrrolidones

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634259A (en) * 1951-07-31 1953-04-07 Arnold Hoffman & Co Inc Polymerization process for n-vinyl pyrrolidone
DE1270805B (en) * 1955-12-27 1968-06-20 Gen Aniline & Film Corp Stabilization of polymeric N-vinyl-2-pyrrolidones
DE2540170C3 (en) * 1975-09-10 1979-01-18 Basf Ag, 6700 Ludwigshafen Use of polyvinylpyrrolidone produced in organic solution for the production of stable aqueous polyvinylpyrrolidone-iodine solutions
US5319041A (en) * 1993-03-26 1994-06-07 Isp Investments Inc. Process for the preparation of vinylpyrrolidone/vinyl acetate copolymers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9618673A1 *

Also Published As

Publication number Publication date
WO1996018673A1 (en) 1996-06-20
CN1217006A (en) 1999-05-19
EP0797618A1 (en) 1997-10-01

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Legal Events

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Effective date: 20001201