NL125681C - - Google Patents
Info
- Publication number
- NL125681C NL125681C NL125681DA NL125681C NL 125681 C NL125681 C NL 125681C NL 125681D A NL125681D A NL 125681DA NL 125681 C NL125681 C NL 125681C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| US726307A US3405099A (en) | 1958-04-04 | 1958-04-04 | Polymerization of pyrrolidone employing halides of group iv elements as chain initiators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL125681C true NL125681C (en:Method) |
Family
ID=24918062
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL237806D NL237806A (en:Method) | 1958-04-04 | ||
| NL125681D NL125681C (en:Method) | 1958-04-04 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL237806D NL237806A (en:Method) | 1958-04-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3405099A (en:Method) |
| BE (1) | BE577374A (en:Method) |
| CH (1) | CH392070A (en:Method) |
| DE (1) | DE1420482C3 (en:Method) |
| FR (1) | FR1225197A (en:Method) |
| GB (1) | GB850160A (en:Method) |
| NL (2) | NL125681C (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705134A (en) * | 1970-07-24 | 1972-12-05 | Ici Ltd | Polyamide containing organo metallic compound |
| US3968087A (en) * | 1972-11-24 | 1976-07-06 | Chevron Research Company | Polymerization of 2-pyrrolidone |
| US3954738A (en) * | 1974-01-04 | 1976-05-04 | M&T Chemicals Inc. | Stabilized epsilon caprolactam composition and method for preparing same |
| IT1033860B (it) * | 1975-02-13 | 1979-08-10 | Russo S | Processo di polimerizzazione di poliammidi lavorabili a temperature piu basse delle loro temperature convenzionali di fusione e di decomposizione |
| US4448955A (en) * | 1982-07-19 | 1984-05-15 | Celanese Corporation | Production of improved high molecular weight polybenzimidazole with tin containing catalyst |
| US5128125A (en) * | 1988-02-16 | 1992-07-07 | Barnes Arthur C | Method for preparing finely divided nylon-4 complex with iodine and antiseptic preparation made therefrom |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE929933C (de) * | 1938-11-28 | 1955-07-07 | Hoechst Ag | Verfahren zur Herstellung von schmelzbaren, hochpolymeren, linearen Polyamiden |
| BE494129A (en:Method) * | 1949-07-22 | |||
| US2806841A (en) * | 1953-02-24 | 1957-09-17 | Arnold Hoffman & Co Inc | Polymers of alpha-piperidone |
| FR1093850A (fr) * | 1953-02-24 | 1955-05-10 | Arnold | Procédé de préparation des polypyrrolidones |
| US2739959A (en) * | 1953-02-24 | 1956-03-27 | Arnold Hoffman & Co Inc | Polymerization of pyrolidone and piperidone |
-
0
- NL NL237806D patent/NL237806A/xx unknown
- NL NL125681D patent/NL125681C/xx active
-
1958
- 1958-04-04 US US726307A patent/US3405099A/en not_active Expired - Lifetime
-
1959
- 1959-04-02 FR FR790997A patent/FR1225197A/fr not_active Expired
- 1959-04-03 GB GB11389/59A patent/GB850160A/en not_active Expired
- 1959-04-03 DE DE1420482A patent/DE1420482C3/de not_active Expired
- 1959-04-03 CH CH7152559A patent/CH392070A/de unknown
- 1959-04-04 BE BE577374A patent/BE577374A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE577374A (fr) | 1959-07-31 |
| DE1420482A1 (de) | 1969-03-06 |
| DE1420482C3 (de) | 1973-10-04 |
| US3405099A (en) | 1968-10-08 |
| GB850160A (en) | 1960-09-28 |
| FR1225197A (fr) | 1960-06-29 |
| CH392070A (de) | 1965-05-15 |
| DE1420482B2 (de) | 1973-03-01 |
| NL237806A (en:Method) |