NL6804532A - - Google Patents
Info
- Publication number
- NL6804532A NL6804532A NL6804532A NL6804532A NL6804532A NL 6804532 A NL6804532 A NL 6804532A NL 6804532 A NL6804532 A NL 6804532A NL 6804532 A NL6804532 A NL 6804532A NL 6804532 A NL6804532 A NL 6804532A
- Authority
- NL
- Netherlands
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2064167 | 1967-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6804532A true NL6804532A (xx) | 1968-10-02 |
Family
ID=12032840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6804532A NL6804532A (xx) | 1967-04-01 | 1968-04-01 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3516973A (xx) |
| NL (1) | NL6804532A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896052A (en) * | 1974-01-30 | 1975-07-22 | Upjohn Co | Cocatalyst system for trimerizing polyisocyanates |
| US4003859A (en) * | 1974-01-30 | 1977-01-18 | The Upjohn Company | Novel process for trimerizing polyisocyanates |
| US3899443A (en) * | 1974-01-30 | 1975-08-12 | Upjohn Co | Novel cocatalyst system for trimerizing polyisocyanates |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1016394A (en) * | 1961-09-27 | 1966-01-12 | Sumitomo Chemical Co | Improvements in or relating to ª‰-propiolactone polymers |
-
1968
- 1968-03-25 US US715539A patent/US3516973A/en not_active Expired - Lifetime
- 1968-04-01 NL NL6804532A patent/NL6804532A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3516973A (en) | 1970-06-23 |