BE552699A - - Google Patents
Info
- Publication number
- BE552699A BE552699A BE552699DA BE552699A BE 552699 A BE552699 A BE 552699A BE 552699D A BE552699D A BE 552699DA BE 552699 A BE552699 A BE 552699A
- 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
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1878355A GB782036A (en) | 1955-06-29 | 1955-06-29 | Manufacture of highly polymeric polymethylene terephthalates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552699A true BE552699A (en) |
Family
ID=10118351
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552699D BE552699A (en) | 1955-06-29 | ||
| BE549096D BE549096A (en) | 1955-06-29 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE549096D BE549096A (en) | 1955-06-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE549096A (en) |
| FR (1) | FR1155153A (en) |
| GB (1) | GB782036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024220A (en) * | 1957-06-13 | 1962-03-06 | Du Pont | Preparation of polyethylene terephthalate |
| US3070575A (en) * | 1958-01-27 | 1962-12-25 | Du Pont | Process for the preparation of polyesters from dicarboxylic acids and bis (hydroxy-alkyl) esters |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE584147A (en) * | 1958-10-30 | |||
| US4028307A (en) | 1975-05-30 | 1977-06-07 | Fiber Industries, Inc. | Preparation of polyesters using salts of substituted quaternary ammonium bases |
-
0
- BE BE552699D patent/BE552699A/xx unknown
- BE BE549096D patent/BE549096A/xx unknown
-
1955
- 1955-06-29 GB GB1878355A patent/GB782036A/en not_active Expired
-
1956
- 1956-06-22 FR FR1155153D patent/FR1155153A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024220A (en) * | 1957-06-13 | 1962-03-06 | Du Pont | Preparation of polyethylene terephthalate |
| US3070575A (en) * | 1958-01-27 | 1962-12-25 | Du Pont | Process for the preparation of polyesters from dicarboxylic acids and bis (hydroxy-alkyl) esters |
Also Published As
| Publication number | Publication date |
|---|---|
| GB782036A (en) | 1957-08-28 |
| FR1155153A (en) | 1958-04-23 |
| BE549096A (en) |