JPS4953291A - - Google Patents
Info
- Publication number
- JPS4953291A JPS4953291A JP48079738A JP7973873A JPS4953291A JP S4953291 A JPS4953291 A JP S4953291A JP 48079738 A JP48079738 A JP 48079738A JP 7973873 A JP7973873 A JP 7973873A JP S4953291 A JPS4953291 A JP S4953291A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7209838A NL7209838A (US06653308-20031125-C00199.png) | 1972-07-15 | 1972-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953291A true JPS4953291A (US06653308-20031125-C00199.png) | 1974-05-23 |
| JPS5644887B2 JPS5644887B2 (US06653308-20031125-C00199.png) | 1981-10-22 |
Family
ID=19816525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7379738A Expired JPS5644887B2 (US06653308-20031125-C00199.png) | 1972-07-15 | 1973-07-14 |
Country Status (11)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30371E (en) * | 1974-07-22 | 1980-08-12 | Monsanto Company | Catalytic process for imide-alcohol condensation |
| EP0243177B1 (en) * | 1986-04-23 | 1993-07-07 | Sumitomo Chemical Company, Limited | Catalytic production of polyamide block copolymers |
| JPH0429908Y2 (US06653308-20031125-C00199.png) * | 1986-12-26 | 1992-07-20 | ||
| JP3601284B2 (ja) * | 1997-03-18 | 2004-12-15 | 宇部興産株式会社 | 球状ポリアミドの製造方法 |
| BR112014000149A2 (pt) * | 2011-07-05 | 2019-08-06 | Basf Se | processo para a produção de partículas sólidas |
| US11643503B2 (en) | 2020-07-10 | 2023-05-09 | Xerox Corporation | Highly spherical polyamide microparticles and synthesis methods related thereto |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2281961A (en) * | 1938-12-06 | 1942-05-05 | Du Pont | Production of superpolyamides |
| US2857364A (en) * | 1954-03-19 | 1958-10-21 | Olin Mathieson | Polymerization of caprolactam with an alkali metal alkoxide catalyst in an excess ofalcohol |
| BE630114A (US06653308-20031125-C00199.png) * | 1962-03-29 | |||
| US3470139A (en) * | 1965-01-14 | 1969-09-30 | Courtaulds Ltd | Polymerization of caprolactam in the presence of catalyst,initiator and a crystallization modifier |
| US3366608A (en) * | 1965-04-15 | 1968-01-30 | British Celanese | Anionic polymerization of caprolactam |
| NL6904544A (US06653308-20031125-C00199.png) * | 1969-03-25 | 1970-09-29 | ||
| US3673161A (en) * | 1970-03-17 | 1972-06-27 | Jan Sebenda | Preparation of polymers of lactams with reduced crystallinity |
| DE2124497A1 (de) * | 1971-05-18 | 1972-11-30 | Bayer Ag | Verfahren zur Verbesserung der Polymerisationsfähigkeit von Lactamen |
-
1972
- 1972-07-15 NL NL7209838A patent/NL7209838A/xx not_active Application Discontinuation
-
1973
- 1973-07-11 CA CA176,195A patent/CA1002686A/en not_active Expired
- 1973-07-11 GB GB3308173A patent/GB1394789A/en not_active Expired
- 1973-07-12 IT IT51432/73A patent/IT989857B/it active
- 1973-07-12 FR FR7325557A patent/FR2193047B1/fr not_active Expired
- 1973-07-12 CH CH1019073A patent/CH583261A5/xx not_active IP Right Cessation
- 1973-07-13 US US378938A patent/US3909498A/en not_active Expired - Lifetime
- 1973-07-13 BE BE133450A patent/BE802310A/xx unknown
- 1973-07-13 CS CS7300005062A patent/CS178891B2/cs unknown
- 1973-07-13 DE DE19732335833 patent/DE2335833A1/de active Pending
- 1973-07-14 JP JP7379738A patent/JPS5644887B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2335833A1 (de) | 1974-01-31 |
| FR2193047A1 (US06653308-20031125-C00199.png) | 1974-02-15 |
| IT989857B (it) | 1975-06-10 |
| CS178891B2 (en) | 1977-10-31 |
| FR2193047B1 (US06653308-20031125-C00199.png) | 1980-03-28 |
| JPS5644887B2 (US06653308-20031125-C00199.png) | 1981-10-22 |
| BE802310A (fr) | 1974-01-14 |
| CH583261A5 (US06653308-20031125-C00199.png) | 1976-12-31 |
| US3909498A (en) | 1975-09-30 |
| NL7209838A (US06653308-20031125-C00199.png) | 1974-01-17 |
| CA1002686A (en) | 1976-12-28 |
| GB1394789A (en) | 1975-05-21 |
