JPS4867267A - - Google Patents
Info
- Publication number
- JPS4867267A JPS4867267A JP47126671A JP12667172A JPS4867267A JP S4867267 A JPS4867267 A JP S4867267A JP 47126671 A JP47126671 A JP 47126671A JP 12667172 A JP12667172 A JP 12667172A JP S4867267 A JPS4867267 A JP S4867267A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Pyrane Compounds (AREA)
- Epoxy Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00208906A US3825573A (en) | 1971-12-16 | 1971-12-16 | Purification of alpha,alpha-disubstituted-beta-propiolactones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4867267A true JPS4867267A (Direct) | 1973-09-13 |
Family
ID=22776539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47126671A Pending JPS4867267A (Direct) | 1971-12-16 | 1972-12-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3825573A (Direct) |
| JP (1) | JPS4867267A (Direct) |
| CA (1) | CA982978A (Direct) |
| DE (1) | DE2260451A1 (Direct) |
| FR (1) | FR2163601B1 (Direct) |
| GB (1) | GB1385806A (Direct) |
-
1971
- 1971-12-16 US US00208906A patent/US3825573A/en not_active Expired - Lifetime
-
1972
- 1972-11-08 CA CA155,945A patent/CA982978A/en not_active Expired
- 1972-12-11 DE DE2260451A patent/DE2260451A1/de active Pending
- 1972-12-14 GB GB5787772A patent/GB1385806A/en not_active Expired
- 1972-12-14 FR FR7244475A patent/FR2163601B1/fr not_active Expired
- 1972-12-16 JP JP47126671A patent/JPS4867267A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA982978A (en) | 1976-02-03 |
| US3825573A (en) | 1974-07-23 |
| DE2260451A1 (de) | 1973-06-20 |
| FR2163601A1 (Direct) | 1973-07-27 |
| GB1385806A (en) | 1975-02-26 |
| FR2163601B1 (Direct) | 1976-08-20 |