FR2281942B1 - - Google Patents
Info
- Publication number
- FR2281942B1 FR2281942B1 FR7525189A FR7525189A FR2281942B1 FR 2281942 B1 FR2281942 B1 FR 2281942B1 FR 7525189 A FR7525189 A FR 7525189A FR 7525189 A FR7525189 A FR 7525189A FR 2281942 B1 FR2281942 B1 FR 2281942B1
- Authority
- FR
- France
- 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
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
- C08F126/00—Homopolymers 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
- C08F126/06—Homopolymers 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
- C08F126/10—N-Vinyl-pyrrolidone
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)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerization Catalysts (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742439196 DE2439196C3 (de) | 1974-08-16 | 1974-08-16 | Verfahren zur Herstellung von Polyvinylpyrrolidon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2281942A1 FR2281942A1 (fr) | 1976-03-12 |
| FR2281942B1 true FR2281942B1 (OSRAM) | 1980-04-04 |
Family
ID=5923266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7525189A Granted FR2281942A1 (fr) | 1974-08-16 | 1975-08-13 | Procede de preparation de polyvinylpyrrolidone et produit obtenu |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5146388A (OSRAM) |
| BE (1) | BE832352A (OSRAM) |
| CA (1) | CA1057894A (OSRAM) |
| CH (1) | CH617214A5 (OSRAM) |
| DE (1) | DE2439196C3 (OSRAM) |
| ES (1) | ES440275A1 (OSRAM) |
| FR (1) | FR2281942A1 (OSRAM) |
| GB (1) | GB1513258A (OSRAM) |
| NL (1) | NL7508762A (OSRAM) |
| SE (1) | SE406914B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3642633A1 (de) * | 1986-12-13 | 1988-06-23 | Basf Ag | Verfahren zur herstellung von vinylpyrrolidon-polymerisaten |
| DE19915420A1 (de) * | 1999-04-06 | 2000-10-12 | Basf Ag | Stabilisierte Polyvinylpyrrolidon-Zubereitungen |
| CN102603949B (zh) * | 2011-12-22 | 2014-03-19 | 张家口市珂玛精细化工有限公司 | 利用低纯度乙烯基吡咯烷酮制备聚维酮k30的方法 |
-
1974
- 1974-08-16 DE DE19742439196 patent/DE2439196C3/de not_active Expired
-
1975
- 1975-07-22 NL NL7508762A patent/NL7508762A/xx not_active Application Discontinuation
- 1975-08-08 CA CA233,155A patent/CA1057894A/en not_active Expired
- 1975-08-12 BE BE159133A patent/BE832352A/xx not_active IP Right Cessation
- 1975-08-13 FR FR7525189A patent/FR2281942A1/fr active Granted
- 1975-08-13 CH CH1055675A patent/CH617214A5/de not_active IP Right Cessation
- 1975-08-14 SE SE7509114A patent/SE406914B/xx not_active IP Right Cessation
- 1975-08-14 ES ES440275A patent/ES440275A1/es not_active Expired
- 1975-08-15 GB GB3402075A patent/GB1513258A/en not_active Expired
- 1975-08-15 JP JP9865075A patent/JPS5146388A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2439196B2 (de) | 1978-03-09 |
| SE406914B (sv) | 1979-03-05 |
| JPS5146388A (ja) | 1976-04-20 |
| GB1513258A (en) | 1978-06-07 |
| BE832352A (fr) | 1976-02-12 |
| NL7508762A (nl) | 1976-02-18 |
| CH617214A5 (en) | 1980-05-14 |
| DE2439196A1 (de) | 1976-02-26 |
| SE7509114L (sv) | 1976-02-17 |
| ES440275A1 (es) | 1977-06-01 |
| DE2439196C3 (de) | 1978-11-02 |
| CA1057894A (en) | 1979-07-03 |
| FR2281942A1 (fr) | 1976-03-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |