FR2177029B1 - - Google Patents
Info
- Publication number
- FR2177029B1 FR2177029B1 FR7310241A FR7310241A FR2177029B1 FR 2177029 B1 FR2177029 B1 FR 2177029B1 FR 7310241 A FR7310241 A FR 7310241A FR 7310241 A FR7310241 A FR 7310241A FR 2177029 B1 FR2177029 B1 FR 2177029B1
- 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
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to other ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic System
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23717372A | 1972-03-22 | 1972-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2177029A1 FR2177029A1 (en) | 1973-11-02 |
| FR2177029B1 true FR2177029B1 (en) | 1977-04-29 |
Family
ID=22892625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7310241A Expired FR2177029B1 (en) | 1972-03-22 | 1973-03-22 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5639343B2 (en) |
| CA (1) | CA1006296A (en) |
| DE (1) | DE2314082A1 (en) |
| FR (1) | FR2177029B1 (en) |
| GB (1) | GB1414834A (en) |
| IT (1) | IT981580B (en) |
| NL (1) | NL7304030A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105645A (en) * | 1975-09-15 | 1978-08-08 | Barson Corp. | Polymerization of 2-pyrrolidone with alkaline catalyst and SO2 chain initiator |
| JPS58126251U (en) * | 1982-02-19 | 1983-08-27 | 富士重工業株式会社 | equipment mounting panel |
| JPS5950834U (en) * | 1982-09-29 | 1984-04-04 | 小島プレス工業株式会社 | Structure of blind lid |
| JPS59136806U (en) * | 1983-03-04 | 1984-09-12 | 日本鋼管株式会社 | Membrane structure |
| JPS63210323A (en) * | 1987-02-27 | 1988-09-01 | 株式会社竹中工務店 | Multifocus cable dome |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683046A (en) * | 1970-09-03 | 1972-08-08 | Radiation Res Corp | Polymerization of 2-pyrrolidone with carbon dioxide as activator and particulate material for reproducible results |
-
1973
- 1973-03-20 CA CA166,447A patent/CA1006296A/en not_active Expired
- 1973-03-20 GB GB1334773A patent/GB1414834A/en not_active Expired
- 1973-03-21 DE DE19732314082 patent/DE2314082A1/en not_active Ceased
- 1973-03-22 JP JP3193273A patent/JPS5639343B2/ja not_active Expired
- 1973-03-22 IT IT2197373A patent/IT981580B/en active
- 1973-03-22 FR FR7310241A patent/FR2177029B1/fr not_active Expired
- 1973-03-22 NL NL7304030A patent/NL7304030A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1414834A (en) | 1975-11-19 |
| IT981580B (en) | 1974-10-10 |
| NL7304030A (en) | 1973-09-25 |
| FR2177029A1 (en) | 1973-11-02 |
| JPS4947491A (en) | 1974-05-08 |
| DE2314082A1 (en) | 1973-10-04 |
| JPS5639343B2 (en) | 1981-09-12 |
| CA1006296A (en) | 1977-03-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DL | Decision of the director general to leave to make available licences of right | ||
| ST | Notification of lapse |