BE654188A - - Google Patents
Info
- Publication number
- BE654188A BE654188A BE654188DA BE654188A BE 654188 A BE654188 A BE 654188A BE 654188D A BE654188D A BE 654188DA BE 654188 A BE654188 A BE 654188A
- 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
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31566963A | 1963-10-11 | 1963-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE654188A true BE654188A (fr) | 1965-02-01 |
Family
ID=23225530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654188D BE654188A (fr) | 1963-10-11 | 1964-10-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE654188A (fr) |
| DE (1) | DE1545123A1 (fr) |
| GB (1) | GB1088725A (fr) |
| NL (1) | NL6411799A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283925A2 (fr) * | 1987-03-19 | 1988-09-28 | Boehringer Ingelheim Kg | Procédé de purification de polyester résorbable |
-
1964
- 1964-10-09 NL NL6411799A patent/NL6411799A/xx unknown
- 1964-10-09 BE BE654188D patent/BE654188A/xx unknown
- 1964-10-09 DE DE19641545123 patent/DE1545123A1/de active Pending
- 1964-10-09 GB GB4119664A patent/GB1088725A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283925A2 (fr) * | 1987-03-19 | 1988-09-28 | Boehringer Ingelheim Kg | Procédé de purification de polyester résorbable |
| EP0283925A3 (fr) * | 1987-03-19 | 1989-10-11 | Boehringer Ingelheim Kg | Procédé de purification de polyester résorbable |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1088725A (en) | 1967-10-25 |
| DE1545123A1 (de) | 1970-01-29 |
| NL6411799A (fr) | 1965-04-12 |