BE725464A - - Google Patents
Info
- Publication number
- BE725464A BE725464A BE725464DA BE725464A BE 725464 A BE725464 A BE 725464A BE 725464D A BE725464D A BE 725464DA BE 725464 A BE725464 A BE 725464A
- 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
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, 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
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1136667A AT279175B (de) | 1967-12-15 | 1967-12-15 | Verfahren zur Herstellung von Polyestern und Copolyestern |
| AT303468A AT289392B (de) | 1968-03-28 | 1968-03-28 | Verfahren zur Herstellung von Polyestern und Copolyestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE725464A true BE725464A (es) | 1969-05-16 |
Family
ID=25599470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE725464D BE725464A (es) | 1967-12-15 | 1968-12-13 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE725464A (es) |
| CH (1) | CH510072A (es) |
| DE (1) | DE1812334A1 (es) |
| ES (1) | ES361393A1 (es) |
| FR (1) | FR1597795A (es) |
| GB (1) | GB1236479A (es) |
| NL (1) | NL6817824A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514876B (zh) * | 2019-02-02 | 2023-06-02 | 航天长征化学工程股份有限公司 | 用于乙二醇制备所用的催化剂和其应用 |
-
1968
- 1968-11-18 CH CH1717668A patent/CH510072A/de not_active IP Right Cessation
- 1968-12-03 DE DE19681812334 patent/DE1812334A1/de active Pending
- 1968-12-10 GB GB5874068A patent/GB1236479A/en not_active Expired
- 1968-12-11 FR FR1597795D patent/FR1597795A/fr not_active Expired
- 1968-12-12 NL NL6817824A patent/NL6817824A/xx unknown
- 1968-12-13 ES ES361393A patent/ES361393A1/es not_active Expired
- 1968-12-13 BE BE725464D patent/BE725464A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6817824A (es) | 1969-06-17 |
| GB1236479A (en) | 1971-06-23 |
| FR1597795A (es) | 1970-06-29 |
| DE1812334A1 (de) | 1969-07-10 |
| CH510072A (de) | 1971-07-15 |
| ES361393A1 (es) | 1970-11-01 |