BE546080A - - Google Patents
Info
- Publication number
- BE546080A BE546080A BE546080DA BE546080A BE 546080 A BE546080 A BE 546080A BE 546080D A BE546080D A BE 546080DA BE 546080 A BE546080 A BE 546080A
- 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
- C08G63/84—Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds 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
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
- C08G63/866—Antimony 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 |
|---|---|---|---|
| GB1143969X | 1955-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE546080A true BE546080A (de) |
Family
ID=10877397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546080D BE546080A (de) | 1955-03-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE546080A (de) |
| DE (1) | DE1132721B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004020582B4 (de) * | 2004-04-27 | 2020-01-30 | Lurgi Zimmer Gmbh | Polykondensationsverfahren unter Verwendung eines Katalysators und dafür geeigneter Katalysator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2641592A (en) * | 1951-07-24 | 1953-06-09 | Du Pont | Production of polyethylene terephthalate with cobaltous acetate as catalyst |
| US2647885A (en) * | 1951-09-28 | 1953-08-04 | Du Pont | Production of polyethylene terephthalate using antimony trioxide as polymerization catalyst |
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0
- BE BE546080D patent/BE546080A/xx unknown
-
1956
- 1956-03-16 DE DEG19192A patent/DE1132721B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1132721B (de) | 1962-07-05 |