CH497480A - Verfahren zur Herstellung von in den a-Stellungen disubstituierten Poly-B-propiolactonen - Google Patents
Verfahren zur Herstellung von in den a-Stellungen disubstituierten Poly-B-propiolactonenInfo
- Publication number
- CH497480A CH497480A CH399968A CH399968A CH497480A CH 497480 A CH497480 A CH 497480A CH 399968 A CH399968 A CH 399968A CH 399968 A CH399968 A CH 399968A CH 497480 A CH497480 A CH 497480A
- Authority
- CH
- Switzerland
- Prior art keywords
- propiolactones
- disubstituted
- poly
- positions
- preparation
- Prior art date
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
- C08G63/02—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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1783267 | 1967-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH497480A true CH497480A (de) | 1970-10-15 |
Family
ID=11954663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH399968A CH497480A (de) | 1967-03-22 | 1968-03-18 | Verfahren zur Herstellung von in den a-Stellungen disubstituierten Poly-B-propiolactonen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3607841A (de) |
| BE (1) | BE712464A (de) |
| CH (1) | CH497480A (de) |
| DE (1) | DE1770039A1 (de) |
| FR (1) | FR1561554A (de) |
| GB (1) | GB1190485A (de) |
| NL (1) | NL6803874A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064086A (en) * | 1976-07-13 | 1977-12-20 | National Patent Development Corporation | Thermoplastic hydrogels |
| US5389447A (en) * | 1989-06-20 | 1995-02-14 | E. I. Du Pont De Nemours And Company | Polymers of 2,2-disubstituted-3-hydroxypropionic acid for ceramic processing |
| US5448002A (en) * | 1994-08-12 | 1995-09-05 | The Goodyear Tire & Rubber Company | Synthesis of trans-1,4-polybutadiene having controlled molecular weight |
| DE19545327C2 (de) * | 1995-12-05 | 2001-04-19 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von hydrophobierten resorbierbaren Polyestern und deren Verwendung |
| US10144802B2 (en) * | 2016-12-05 | 2018-12-04 | Novomer, Inc. | Beta-propiolactone based copolymers containing biogenic carbon, methods for their production and uses thereof |
| CN113278153A (zh) * | 2020-02-20 | 2021-08-20 | 北京大学 | 聚合物及其制备方法和解聚方法 |
-
1968
- 1968-03-06 US US710776A patent/US3607841A/en not_active Expired - Lifetime
- 1968-03-18 CH CH399968A patent/CH497480A/de not_active IP Right Cessation
- 1968-03-19 NL NL6803874A patent/NL6803874A/xx unknown
- 1968-03-20 BE BE712464D patent/BE712464A/xx unknown
- 1968-03-21 FR FR1561554D patent/FR1561554A/fr not_active Expired
- 1968-03-22 DE DE19681770039 patent/DE1770039A1/de active Pending
- 1968-03-22 GB GB04097/68A patent/GB1190485A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1561554A (de) | 1969-03-28 |
| BE712464A (de) | 1968-07-31 |
| GB1190485A (en) | 1970-05-06 |
| DE1770039A1 (de) | 1972-05-18 |
| NL6803874A (de) | 1968-09-23 |
| US3607841A (en) | 1971-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |