CH518326A - Process for the production of polyamides - Google Patents
Process for the production of polyamidesInfo
- Publication number
- CH518326A CH518326A CH918469A CH918469A CH518326A CH 518326 A CH518326 A CH 518326A CH 918469 A CH918469 A CH 918469A CH 918469 A CH918469 A CH 918469A CH 518326 A CH518326 A CH 518326A
- Authority
- CH
- Switzerland
- Prior art keywords
- polyamides
- production
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681770968 DE1770968A1 (en) | 1968-07-24 | 1968-07-24 | Process for the production of polyamides |
Publications (1)
Publication Number | Publication Date |
---|---|
CH518326A true CH518326A (en) | 1972-01-31 |
Family
ID=5700710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH918469A CH518326A (en) | 1968-07-24 | 1969-06-16 | Process for the production of polyamides |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT292311B (en) |
BE (1) | BE736544A (en) |
CH (1) | CH518326A (en) |
DE (1) | DE1770968A1 (en) |
FR (1) | FR2013620A1 (en) |
GB (1) | GB1276318A (en) |
NL (1) | NL6911317A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2250134A1 (en) * | 1972-10-13 | 1974-04-25 | Cassella Farbwerke Mainkur Ag | PROCESS FOR PRODUCING SUBSTITUTED UREA |
US11084807B2 (en) | 2016-08-18 | 2021-08-10 | Vidac Pharama Ltd. | Piperazine derivatives, pharmaceutical compositions and methods of use thereof |
-
1968
- 1968-07-24 DE DE19681770968 patent/DE1770968A1/en active Pending
-
1969
- 1969-06-16 CH CH918469A patent/CH518326A/en not_active IP Right Cessation
- 1969-07-14 GB GB3526769A patent/GB1276318A/en not_active Expired
- 1969-07-23 NL NL6911317A patent/NL6911317A/xx unknown
- 1969-07-24 AT AT713569A patent/AT292311B/en not_active IP Right Cessation
- 1969-07-24 FR FR6925244A patent/FR2013620A1/fr not_active Withdrawn
- 1969-07-24 BE BE736544D patent/BE736544A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1276318A (en) | 1972-06-01 |
NL6911317A (en) | 1970-01-27 |
BE736544A (en) | 1969-12-31 |
FR2013620A1 (en) | 1970-04-03 |
AT292311B (en) | 1971-08-25 |
DE1770968A1 (en) | 1972-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |