NL7209838A - - Google Patents
Info
- Publication number
- NL7209838A NL7209838A NL7209838A NL7209838A NL7209838A NL 7209838 A NL7209838 A NL 7209838A NL 7209838 A NL7209838 A NL 7209838A NL 7209838 A NL7209838 A NL 7209838A NL 7209838 A NL7209838 A NL 7209838A
- 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
- C08G69/16—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)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7209838A NL7209838A (en:Method) | 1972-07-15 | 1972-07-15 | |
| GB3308173A GB1394789A (en) | 1972-07-15 | 1973-07-11 | Process for preparing granular or powdered polyamide |
| CA176,195A CA1002686A (en) | 1972-07-15 | 1973-07-11 | Process for preparing granular or powdered polyamide |
| FR7325557A FR2193047B1 (en:Method) | 1972-07-15 | 1973-07-12 | |
| CH1019073A CH583261A5 (en:Method) | 1972-07-15 | 1973-07-12 | |
| IT51432/73A IT989857B (it) | 1972-07-15 | 1973-07-12 | Procedimento per la preparazione di poliammide granulare o polverizzata |
| CS7300005062A CS178891B2 (en) | 1972-07-15 | 1973-07-13 | Method of production of granulated or powdered polyamides |
| BE133450A BE802310A (fr) | 1972-07-15 | 1973-07-13 | Procede pour la preparation de polyamide sous forme de grains ou de poudre |
| DE19732335833 DE2335833A1 (de) | 1972-07-15 | 1973-07-13 | Verfahren zu der herstellung gekoernten oder pulvrigen polyamids |
| US378938A US3909498A (en) | 1972-07-15 | 1973-07-13 | Process for preparing granular powdered polyamide |
| JP7379738A JPS5644887B2 (en:Method) | 1972-07-15 | 1973-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7209838A NL7209838A (en:Method) | 1972-07-15 | 1972-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7209838A true NL7209838A (en:Method) | 1974-01-17 |
Family
ID=19816525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7209838A NL7209838A (en:Method) | 1972-07-15 | 1972-07-15 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3909498A (en:Method) |
| JP (1) | JPS5644887B2 (en:Method) |
| BE (1) | BE802310A (en:Method) |
| CA (1) | CA1002686A (en:Method) |
| CH (1) | CH583261A5 (en:Method) |
| CS (1) | CS178891B2 (en:Method) |
| DE (1) | DE2335833A1 (en:Method) |
| FR (1) | FR2193047B1 (en:Method) |
| GB (1) | GB1394789A (en:Method) |
| IT (1) | IT989857B (en:Method) |
| NL (1) | NL7209838A (en:Method) |
Families Citing this family (5)
| 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 |
| 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 |
| MY180633A (en) * | 2011-07-05 | 2020-12-03 | Basf Se | Solid particles, containing lactam, activator, and catalyst, method for producing said solid particles, and use of said solid particles |
| 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 |
| NL290689A (en:Method) * | 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 (en:Method) * | 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 GB GB3308173A patent/GB1394789A/en not_active Expired
- 1973-07-11 CA CA176,195A patent/CA1002686A/en not_active Expired
- 1973-07-12 FR FR7325557A patent/FR2193047B1/fr not_active Expired
- 1973-07-12 IT IT51432/73A patent/IT989857B/it active
- 1973-07-12 CH CH1019073A patent/CH583261A5/xx not_active IP Right Cessation
- 1973-07-13 DE DE19732335833 patent/DE2335833A1/de active Pending
- 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
- 1973-07-14 JP JP7379738A patent/JPS5644887B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2193047A1 (en:Method) | 1974-02-15 |
| CA1002686A (en) | 1976-12-28 |
| BE802310A (fr) | 1974-01-14 |
| CS178891B2 (en) | 1977-10-31 |
| IT989857B (it) | 1975-06-10 |
| US3909498A (en) | 1975-09-30 |
| JPS5644887B2 (en:Method) | 1981-10-22 |
| JPS4953291A (en:Method) | 1974-05-23 |
| DE2335833A1 (de) | 1974-01-31 |
| FR2193047B1 (en:Method) | 1980-03-28 |
| CH583261A5 (en:Method) | 1976-12-31 |
| GB1394789A (en) | 1975-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| BI | The patent application has been withdrawn |