BE713537A - - Google Patents
Info
- Publication number
- BE713537A BE713537A BE713537DA BE713537A BE 713537 A BE713537 A BE 713537A BE 713537D A BE713537D A BE 713537DA BE 713537 A BE713537 A BE 713537A
- 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
- C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
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)
- Polymerization Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1719767A GB1133294A (en) | 1967-04-14 | 1967-04-14 | Polymerisation of pivalolactone |
| GB1719667A GB1133293A (en) | 1967-04-14 | 1967-04-14 | Process for the manufacture of lactone prepolymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE713537A true BE713537A (OSRAM) | 1968-10-11 |
Family
ID=26252532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE713537D BE713537A (OSRAM) | 1967-04-14 | 1968-04-11 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT290842B (OSRAM) |
| BE (1) | BE713537A (OSRAM) |
| CH (1) | CH511261A (OSRAM) |
| DE (1) | DE1795608A1 (OSRAM) |
| ES (1) | ES352676A1 (OSRAM) |
| FR (1) | FR1563332A (OSRAM) |
| GB (1) | GB1133294A (OSRAM) |
| NL (2) | NL6805166A (OSRAM) |
| SE (1) | SE333639B (OSRAM) |
-
0
- NL NL137350D patent/NL137350C/xx active
-
1967
- 1967-04-14 GB GB1719767A patent/GB1133294A/en not_active Expired
-
1968
- 1968-04-11 BE BE713537D patent/BE713537A/xx unknown
- 1968-04-11 CH CH544568A patent/CH511261A/de not_active IP Right Cessation
- 1968-04-11 FR FR1563332D patent/FR1563332A/fr not_active Expired
- 1968-04-11 ES ES352676A patent/ES352676A1/es not_active Expired
- 1968-04-11 DE DE19681795608 patent/DE1795608A1/de active Pending
- 1968-04-11 AT AT360368A patent/AT290842B/de not_active IP Right Cessation
- 1968-04-11 SE SE497668A patent/SE333639B/xx unknown
- 1968-04-11 NL NL6805166A patent/NL6805166A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1770193A1 (de) | 1969-10-16 |
| AT290842B (de) | 1971-06-25 |
| GB1133294A (en) | 1968-11-13 |
| CH511261A (de) | 1971-08-15 |
| SE333639B (OSRAM) | 1971-03-22 |
| ES352676A1 (es) | 1969-07-16 |
| NL137350C (OSRAM) | |
| FR1563332A (OSRAM) | 1969-04-11 |
| DE1770193B2 (de) | 1972-08-31 |
| NL6805166A (OSRAM) | 1968-10-15 |
| DE1795608A1 (de) | 1972-03-09 |