CH602828A5 - - Google Patents
Info
- Publication number
- CH602828A5 CH602828A5 CH1166476A CH1166476A CH602828A5 CH 602828 A5 CH602828 A5 CH 602828A5 CH 1166476 A CH1166476 A CH 1166476A CH 1166476 A CH1166476 A CH 1166476A CH 602828 A5 CH602828 A5 CH 602828A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/24—Pyrrolidones or piperidones
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61320975A | 1975-09-15 | 1975-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH602828A5 true CH602828A5 (US06811534-20041102-M00003.png) | 1978-08-15 |
Family
ID=24456329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1166476A CH602828A5 (US06811534-20041102-M00003.png) | 1975-09-15 | 1976-09-14 |
Country Status (10)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7800587A (nl) * | 1978-01-18 | 1979-07-20 | Stamicarbon | Werkwijze voor de bereiding van polypyrrolidon. |
| US4215211A (en) * | 1978-01-23 | 1980-07-29 | Chevron Research Company | Polymerization of 2-pyrrolidone with CO2 /SO2 |
| US4247684A (en) * | 1979-10-15 | 1981-01-27 | Barnes Carl E | Polymerization of 2-pyrrolidone with cesium or rubidium catalyst |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3174951A (en) * | 1958-04-04 | 1965-03-23 | Gen Aniline & Film Corp | Polymerization of pyrrolidones and piperidones employing oxides of elements of group vi as chain initiators |
| US3681294A (en) * | 1970-09-03 | 1972-08-01 | Radiation Res Corp | Polymerization of 2-pyrrolidone in the presence of so2 with mixture of an alkali metal sulfite and an alkali metal bisulfite |
| US3721652A (en) * | 1970-09-03 | 1973-03-20 | Radiation Res Corp | Polymers of 2-pyrrolidone |
| GB1414834A (en) * | 1972-03-22 | 1975-11-19 | Pusztaszeri S F | Polymerization of 2-pyrrolidone |
-
1976
- 1976-08-30 US US05/718,410 patent/US4105645A/en not_active Expired - Lifetime
- 1976-09-09 GB GB37433/76A patent/GB1514385A/en not_active Expired
- 1976-09-10 MX MX166252A patent/MX144320A/es unknown
- 1976-09-13 IN IN1675/CAL/76A patent/IN156446B/en unknown
- 1976-09-14 NL NL7610212A patent/NL7610212A/xx not_active Application Discontinuation
- 1976-09-14 IT IT51257/76A patent/IT1078739B/it active
- 1976-09-14 CH CH1166476A patent/CH602828A5/xx not_active IP Right Cessation
- 1976-09-14 CA CA261,130A patent/CA1070894A/en not_active Expired
- 1976-09-15 FR FR7627766A patent/FR2323719A1/fr active Granted
- 1976-09-15 BR BR7606079A patent/BR7606079A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1514385A (en) | 1978-06-14 |
| IT1078739B (it) | 1985-05-08 |
| FR2323719A1 (fr) | 1977-04-08 |
| CA1070894A (en) | 1980-01-29 |
| FR2323719B1 (US06811534-20041102-M00003.png) | 1982-10-15 |
| NL7610212A (nl) | 1977-03-17 |
| MX144320A (es) | 1981-09-29 |
| US4105645A (en) | 1978-08-08 |
| BR7606079A (pt) | 1977-08-23 |
| IN156446B (US06811534-20041102-M00003.png) | 1985-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |