BE520952A - - Google Patents
Info
- Publication number
- BE520952A BE520952A BE520952DA BE520952A BE 520952 A BE520952 A BE 520952A BE 520952D A BE520952D A BE 520952DA BE 520952 A BE520952 A BE 520952A
- Authority
- BE
- Belgium
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
- C08G69/20—Anionic polymerisation characterised by the catalysts used
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 |
|---|---|---|---|
| GB1429353A GB734456A (en) | 1953-05-21 | 1953-05-21 | Improvements relating to the production of polyamides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520952A true BE520952A (en:Method) | 1953-12-28 |
Family
ID=10038557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520952D BE520952A (en:Method) | 1953-05-21 | 1953-06-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE520952A (en:Method) |
| FR (1) | FR1078094A (en:Method) |
| GB (1) | GB734456A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060100414A1 (en) * | 2004-11-09 | 2006-05-11 | Wilson Tam | Ring opening polymerization of cyclic amides using metal amide and metal alkoxide catalysts |
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1953
- 1953-05-21 GB GB1429353A patent/GB734456A/en not_active Expired
- 1953-06-05 FR FR1078094D patent/FR1078094A/fr not_active Expired
- 1953-06-25 BE BE520952D patent/BE520952A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB734456A (en) | 1955-08-03 |
| FR1078094A (fr) | 1954-11-15 |