BE626421A - - Google Patents
Info
- Publication number
- BE626421A BE626421A BE626421DA BE626421A BE 626421 A BE626421 A BE 626421A BE 626421D A BE626421D A BE 626421DA BE 626421 A BE626421 A BE 626421A
- 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
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
-
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC0025829 | 1961-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE626421A true BE626421A (en:Method) |
Family
ID=7017978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE626421D BE626421A (en:Method) | 1961-12-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE626421A (en:Method) |
| CH (1) | CH442749A (en:Method) |
| DE (1) | DE1445323A1 (en:Method) |
| FR (1) | FR1342483A (en:Method) |
| GB (1) | GB1017553A (en:Method) |
| SE (1) | SE318109B (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062855A (en) * | 1971-09-27 | 1977-12-13 | University Of Washington | Synthetic polymers furnishing controlled release of a biologically active component during degradation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440221A (en) * | 1966-03-04 | 1969-04-22 | Du Pont | Regular sequential copolyesters |
-
0
- BE BE626421D patent/BE626421A/xx unknown
-
1961
- 1961-12-23 DE DE19611445323 patent/DE1445323A1/de active Pending
-
1962
- 1962-10-18 CH CH1218962A patent/CH442749A/de unknown
- 1962-12-11 SE SE1333762A patent/SE318109B/xx unknown
- 1962-12-12 FR FR918333A patent/FR1342483A/fr not_active Expired
- 1962-12-21 GB GB4842162A patent/GB1017553A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4062855A (en) * | 1971-09-27 | 1977-12-13 | University Of Washington | Synthetic polymers furnishing controlled release of a biologically active component during degradation |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1445323A1 (de) | 1969-03-27 |
| FR1342483A (fr) | 1963-11-08 |
| GB1017553A (en) | 1966-01-19 |
| CH442749A (de) | 1967-08-31 |
| SE318109B (en:Method) | 1969-12-01 |