BE545499A - - Google Patents
Info
- Publication number
- BE545499A BE545499A BE545499DA BE545499A BE 545499 A BE545499 A BE 545499A BE 545499D A BE545499D A BE 545499DA BE 545499 A BE545499 A BE 545499A
- 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
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- 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
- C08G63/183—Terephthalic acids
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- 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
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
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 |
|---|---|---|---|
| GB540055A GB786356A (en) | 1955-02-23 | 1955-02-23 | Improvements in the manufacture of polytetramethylene terephthalate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE545499A true BE545499A (enExample) |
Family
ID=9795454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE545499D BE545499A (enExample) | 1955-02-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE545499A (enExample) |
| FR (1) | FR1148553A (enExample) |
| GB (1) | GB786356A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3635899A (en) * | 1969-09-04 | 1972-01-18 | Fiber Industries Inc | Polyesterification of 1 4- and 1 5-diols |
| BE759913A (fr) * | 1969-12-05 | 1971-06-04 | Fiber Industries Inc | Procede de polymerisation du terephtalate de dimethyle |
| DE102007032189A1 (de) * | 2007-06-22 | 2008-12-24 | Merck Patent Gmbh | Härtungskatalysator |
-
0
- BE BE545499D patent/BE545499A/xx unknown
-
1955
- 1955-02-23 GB GB540055A patent/GB786356A/en not_active Expired
-
1956
- 1956-02-10 FR FR1148553D patent/FR1148553A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1148553A (fr) | 1957-12-11 |
| GB786356A (en) | 1957-11-13 |