CH572500A5 - - Google Patents
Info
- Publication number
- CH572500A5 CH572500A5 CH724872A CH724872A CH572500A5 CH 572500 A5 CH572500 A5 CH 572500A5 CH 724872 A CH724872 A CH 724872A CH 724872 A CH724872 A CH 724872A CH 572500 A5 CH572500 A5 CH 572500A5
- Authority
- CH
- Switzerland
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 |
---|---|---|---|
DE19712124497 DE2124497A1 (de) | 1971-05-18 | 1971-05-18 | Verfahren zur Verbesserung der Polymerisationsfähigkeit von Lactamen |
Publications (1)
Publication Number | Publication Date |
---|---|
CH572500A5 true CH572500A5 (xx) | 1976-02-13 |
Family
ID=5808163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH724872A CH572500A5 (xx) | 1971-05-18 | 1972-05-16 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3772253A (xx) |
AT (1) | AT320981B (xx) |
BE (1) | BE783612A (xx) |
CA (1) | CA985840A (xx) |
CH (1) | CH572500A5 (xx) |
CS (1) | CS173602B2 (xx) |
DE (1) | DE2124497A1 (xx) |
FR (1) | FR2138115A1 (xx) |
GB (1) | GB1392065A (xx) |
IT (1) | IT957886B (xx) |
NL (1) | NL7206533A (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS154991B1 (xx) * | 1972-01-14 | 1974-04-30 | ||
NL7209838A (xx) * | 1972-07-15 | 1974-01-17 | ||
US4111869A (en) * | 1974-02-28 | 1978-09-05 | Ceskoslovenska Akademie Ved | Method for the polymerization of lactams |
US3922254A (en) * | 1974-07-22 | 1975-11-25 | Monsanto Co | Catalytic process for imide-alcohol condensation |
USRE30371E (en) * | 1974-07-22 | 1980-08-12 | Monsanto Company | Catalytic process for imide-alcohol condensation |
US3925325A (en) * | 1974-07-22 | 1975-12-09 | Monsanto Co | Organoaluminum process for imide-alcohol condensation |
NL8600698A (nl) * | 1986-03-19 | 1987-10-16 | Stamicarbon | Alkalimetaallactamaat. |
US5274065A (en) * | 1990-10-18 | 1993-12-28 | Technical Development Associates | Polyorganosiloxane-polyamide block copolymers |
US5183874A (en) * | 1990-10-18 | 1993-02-02 | Technical Development Associates | Polyorganosiloxane-polyamide block copolymers |
-
1971
- 1971-05-18 DE DE19712124497 patent/DE2124497A1/de active Pending
-
1972
- 1972-05-13 CS CS3248A patent/CS173602B2/cs unknown
- 1972-05-15 NL NL7206533A patent/NL7206533A/xx not_active Application Discontinuation
- 1972-05-16 AT AT425472A patent/AT320981B/de active
- 1972-05-16 CA CA142,238A patent/CA985840A/en not_active Expired
- 1972-05-16 IT IT7250273A patent/IT957886B/it active
- 1972-05-16 CH CH724872A patent/CH572500A5/xx not_active IP Right Cessation
- 1972-05-17 GB GB2318572A patent/GB1392065A/en not_active Expired
- 1972-05-17 BE BE783612A patent/BE783612A/xx unknown
- 1972-05-18 FR FR7217915A patent/FR2138115A1/fr not_active Withdrawn
- 1972-05-18 US US00254407A patent/US3772253A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2124497A1 (de) | 1972-11-30 |
FR2138115A1 (xx) | 1972-12-29 |
IT957886B (it) | 1973-10-20 |
BE783612A (fr) | 1972-11-17 |
AT320981B (de) | 1975-03-10 |
NL7206533A (xx) | 1972-11-21 |
CA985840A (en) | 1976-03-16 |
GB1392065A (en) | 1975-04-23 |
US3772253A (en) | 1973-11-13 |
CS173602B2 (xx) | 1977-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |