NL7009871A - - Google Patents
Info
- Publication number
- NL7009871A NL7009871A NL7009871A NL7009871A NL7009871A NL 7009871 A NL7009871 A NL 7009871A NL 7009871 A NL7009871 A NL 7009871A NL 7009871 A NL7009871 A NL 7009871A NL 7009871 A NL7009871 A NL 7009871A
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691933730 DE1933730A1 (de) | 1969-07-03 | 1969-07-03 | Verfahren zur Polymerisation von alpha,alpha-Dialkyl-beta-propiolactonen |
| DE19691964360 DE1964360A1 (de) | 1969-12-23 | 1969-12-23 | Verfahren zur Polymerisation von alpha,alpha-Dialkyl-beta-propiolactonen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7009871A true NL7009871A (enExample) | 1971-01-05 |
Family
ID=25757588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7009871A NL7009871A (enExample) | 1969-07-03 | 1970-07-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3691138A (enExample) |
| BE (1) | BE752979A (enExample) |
| FR (1) | FR2050469A1 (enExample) |
| GB (1) | GB1295737A (enExample) |
| LU (1) | LU61232A1 (enExample) |
| NL (1) | NL7009871A (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL294714A (enExample) * | 1963-06-28 | |||
| US3476715A (en) * | 1966-06-01 | 1969-11-04 | Du Pont | Process for polymerizing propiolactones using tertiary phosphine catalysts |
-
1970
- 1970-06-30 GB GB1295737D patent/GB1295737A/en not_active Expired
- 1970-07-01 LU LU61232D patent/LU61232A1/xx unknown
- 1970-07-01 FR FR7024465A patent/FR2050469A1/fr not_active Withdrawn
- 1970-07-02 US US60219A patent/US3691138A/en not_active Expired - Lifetime
- 1970-07-03 NL NL7009871A patent/NL7009871A/xx unknown
- 1970-07-03 BE BE752979D patent/BE752979A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE752979A (fr) | 1970-12-16 |
| LU61232A1 (enExample) | 1970-09-10 |
| GB1295737A (enExample) | 1972-11-08 |
| FR2050469A1 (fr) | 1971-04-02 |
| US3691138A (en) | 1972-09-12 |