EP0797618A4 - Color stabilization of aqueous heterocyclic copolymer - Google Patents
Color stabilization of aqueous heterocyclic copolymerInfo
- 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- Withdrawn
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)
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)
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)
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 |
-
1995
- 1995-11-29 WO PCT/US1995/015434 patent/WO1996018673A1/en not_active Application Discontinuation
- 1995-11-29 EP EP95940854A patent/EP0797618A4/en not_active Withdrawn
- 1995-11-29 CN CN 95196697 patent/CN1217006A/en active Pending
Non-Patent Citations (2)
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
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19970702 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
RHK1 | Main classification (correction) |
Ipc: C08K 3/30 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19980220 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
17Q | First examination report despatched |
Effective date: 19980929 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20001201 |