BE621787A - - Google Patents
Info
- Publication number
- BE621787A BE621787A BE621787DA BE621787A BE 621787 A BE621787 A BE 621787A BE 621787D A BE621787D A BE 621787DA BE 621787 A BE621787 A BE 621787A
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEZ0008943 | 1961-08-31 | ||
| FR907911A FR1338571A (fr) | 1961-08-31 | 1962-08-27 | Procédé de fabrication de polyesters pouvant être filés |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621787A true BE621787A (US07582779-20090901-C00044.png) |
Family
ID=26003458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621787D BE621787A (US07582779-20090901-C00044.png) | 1961-08-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE621787A (US07582779-20090901-C00044.png) |
| FR (1) | FR1338571A (US07582779-20090901-C00044.png) |
-
0
- BE BE621787D patent/BE621787A/xx unknown
-
1962
- 1962-08-27 FR FR907911A patent/FR1338571A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1338571A (fr) | 1963-09-27 |
