NL250641A - - Google Patents
Info
- Publication number
- NL250641A NL250641A NL250641DA NL250641A NL 250641 A NL250641 A NL 250641A NL 250641D A NL250641D A NL 250641DA NL 250641 A NL250641 A NL 250641A
- 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US807349A US3060153A (en) | 1959-04-20 | 1959-04-20 | Activators for the polymerization of 2-pyrrolidone |
| US807271A US3033831A (en) | 1959-04-20 | 1959-04-20 | Activators for the polymerization of 2-pyrrolidone |
| US807270A US3042659A (en) | 1959-04-20 | 1959-04-20 | Activators for the polymerization of 2-pyrrolidone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL250641A true NL250641A (US06168655-20010102-C00055.png) |
Family
ID=27420027
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL126415D NL126415C (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL250641D NL250641A (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL128615D NL128615C (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL121432D NL121432C (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL6516905A NL6516905A (US06168655-20010102-C00055.png) | 1959-04-20 | 1965-12-24 | |
| NL6516904A NL6516904A (US06168655-20010102-C00055.png) | 1959-04-20 | 1965-12-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL126415D NL126415C (US06168655-20010102-C00055.png) | 1959-04-20 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL128615D NL128615C (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL121432D NL121432C (US06168655-20010102-C00055.png) | 1959-04-20 | ||
| NL6516905A NL6516905A (US06168655-20010102-C00055.png) | 1959-04-20 | 1965-12-24 | |
| NL6516904A NL6516904A (US06168655-20010102-C00055.png) | 1959-04-20 | 1965-12-24 |
Country Status (6)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3138574A (en) * | 1961-04-06 | 1964-06-23 | Du Pont | Process for the polymerization of caprolactam with acylating agents and ureas as coactivators |
| US3869431A (en) * | 1973-03-12 | 1975-03-04 | Firestone Tire & Rubber Co | Polyamides and their production |
| US4185063A (en) * | 1975-02-04 | 1980-01-22 | Chute Challoner R | Shaping and stretching aqueous formic acid solutions of polypyrrolidone, filament and film products |
| US4263187A (en) * | 1977-06-08 | 1981-04-21 | Chute Challoner R | Shaped articles of polypyrrolidone and method of preparation thereof |
| US4269665A (en) * | 1979-05-17 | 1981-05-26 | Barnes Carl E | Drying quaternary ammonium compounds |
| US4217442A (en) * | 1978-04-24 | 1980-08-12 | Barnes Arthur C | Polymerization of 2-pyrrolidone with alkali metal pyrrolidonates and certain quaternary ammonium salts |
| US4247684A (en) * | 1979-10-15 | 1981-01-27 | Barnes Carl E | Polymerization of 2-pyrrolidone with cesium or rubidium catalyst |
| US4247683A (en) * | 1979-10-15 | 1981-01-27 | Barnes Carl E | Polymerization of 2-pyrrolidone with quaternary ammonium accelerator by recovering and reusing same |
| US4268660A (en) * | 1979-10-15 | 1981-05-19 | Barnes Carl E | Accelerated polymerization of 2-pyrrolidone |
| US4281105A (en) * | 1979-12-17 | 1981-07-28 | Barnes Carl E | Formation of particulate polypyrrolidone |
| US4247685A (en) * | 1980-01-21 | 1981-01-27 | Barnes Carl E | Continuous bulk polymerization of 2-pyrrolidone |
| US4383065A (en) * | 1980-12-29 | 1983-05-10 | Chevron Research Company | Stabilized polypyrrolidone composition |
| US4435547A (en) | 1980-12-29 | 1984-03-06 | Chevron Research Company | Stabilized polypyrrolidone end capped with alkanolamine and process for preparing |
| NL8401843A (nl) * | 1984-06-09 | 1986-01-02 | Stamicarbon | Werkwijze voor het bereiden van een polyamide. |
| JP6851496B2 (ja) * | 2017-10-03 | 2021-03-31 | 日本曹達株式会社 | ポリアミド４粒子の製造方法 |
| US20230192989A1 (en) * | 2020-06-09 | 2023-06-22 | Kureha Corporation | Polyamide resin composition, molded polyamide resin article, and production method therefor |
| WO2022039199A1 (ja) * | 2020-08-21 | 2022-02-24 | 株式会社クラレ | ポリ［イミノ（１－オキソ－１，４－ブタンジイル）］系共重合体およびその樹脂組成物ならびに樹脂成形体 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2739959A (en) * | 1953-02-24 | 1956-03-27 | Arnold Hoffman & Co Inc | Polymerization of pyrolidone and piperidone |
| FR1093850A (fr) * | 1953-02-24 | 1955-05-10 | Arnold | Procédé de préparation des polypyrrolidones |
| US2891038A (en) * | 1953-09-01 | 1959-06-16 | Gen Aniline & Film Corp | Polymerization procedures |
-
0
- NL NL126415D patent/NL126415C/xx active
- NL NL250641D patent/NL250641A/xx unknown
- NL NL128615D patent/NL128615C/xx active
- NL NL121432D patent/NL121432C/xx active
-
1959
- 1959-04-20 US US807270A patent/US3042659A/en not_active Expired - Lifetime
- 1959-04-20 US US807271A patent/US3033831A/en not_active Expired - Lifetime
- 1959-04-20 US US807349A patent/US3060153A/en not_active Expired - Lifetime
-
1960
- 1960-04-05 GB GB12066/60A patent/GB899665A/en not_active Expired
- 1960-04-19 BE BE589878A patent/BE589878A/fr unknown
- 1960-04-20 DE DE19601445274 patent/DE1445274A1/de active Pending
- 1960-04-20 CH CH442260A patent/CH428215A/fr unknown
- 1960-04-20 DE DE19601570928 patent/DE1570928A1/de active Pending
- 1960-04-20 DE DE19601570927 patent/DE1570927A1/de active Pending
-
1965
- 1965-12-24 NL NL6516905A patent/NL6516905A/xx unknown
- 1965-12-24 NL NL6516904A patent/NL6516904A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL128615C (US06168655-20010102-C00055.png) | |
| DE1570927A1 (de) | 1970-02-05 |
| DE1570928A1 (de) | 1970-02-05 |
| US3060153A (en) | 1962-10-23 |
| US3033831A (en) | 1962-05-08 |
| NL6516904A (US06168655-20010102-C00055.png) | 1966-03-25 |
| NL121432C (US06168655-20010102-C00055.png) | |
| NL6516905A (US06168655-20010102-C00055.png) | 1966-03-25 |
| CH428215A (fr) | 1967-01-15 |
| DE1445274A1 (de) | 1969-02-27 |
| US3042659A (en) | 1962-07-03 |
| BE589878A (fr) | 1960-10-19 |
| GB899665A (en) | 1962-06-27 |
| NL126415C (US06168655-20010102-C00055.png) |
