BE733471A - - Google Patents
Info
- Publication number
- BE733471A BE733471A BE733471DA BE733471A BE 733471 A BE733471 A BE 733471A BE 733471D A BE733471D A BE 733471DA BE 733471 A BE733471 A BE 733471A
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
-
- 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 |
|---|---|---|---|
| GB2451968 | 1968-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE733471A true BE733471A (xx) | 1969-11-24 |
Family
ID=10212932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE733471D BE733471A (xx) | 1968-05-22 | 1969-05-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3682865A (xx) |
| BE (1) | BE733471A (xx) |
| DE (1) | DE1925758A1 (xx) |
| FR (1) | FR2009106A1 (xx) |
| GB (1) | GB1266322A (xx) |
| NL (1) | NL6907864A (xx) |
| SE (1) | SE368212B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3867353A (en) * | 1973-01-17 | 1975-02-18 | Phillips Petroleum Co | Polymerization of oxiranes and lactones |
| US4195167A (en) * | 1976-05-28 | 1980-03-25 | Union Carbide Corporation | Gradient polymers of two or more cyclic, organic, ring-opening, addition polymerizable monomers and methods for making same |
| US4415728A (en) * | 1979-11-08 | 1983-11-15 | Her Majesty The Queen In Right Of Canada | ε-Caprolactone co-polyesters useful for the preparation of polyurethane |
| JPS6164721A (ja) * | 1984-09-05 | 1986-04-03 | Hitachi Chem Co Ltd | ブロツクコポリマ−の製造方法 |
| DE3700193A1 (de) * | 1987-01-06 | 1988-07-14 | Bayer Ag | Sequenziert aufgebaute copolymere auf der basis von cyclischen carbonaten und estern |
| EE200700020A (et) * | 2007-04-30 | 2008-12-15 | Nordbiochem OÜ | Biolagunevate polmeeride valmistamise meetod |
| US20220243011A1 (en) * | 2018-09-18 | 2022-08-04 | Byk-Chemie Gmbh | An Amine Functional Compound Having A Urethane Group |
-
1968
- 1968-05-22 GB GB2451968A patent/GB1266322A/en not_active Expired
-
1969
- 1969-05-19 US US825930A patent/US3682865A/en not_active Expired - Lifetime
- 1969-05-21 DE DE19691925758 patent/DE1925758A1/de active Pending
- 1969-05-22 SE SE07237/69A patent/SE368212B/xx unknown
- 1969-05-22 BE BE733471D patent/BE733471A/xx unknown
- 1969-05-22 FR FR6916619A patent/FR2009106A1/fr not_active Withdrawn
- 1969-05-22 NL NL6907864A patent/NL6907864A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3682865A (en) | 1972-08-08 |
| SE368212B (xx) | 1974-06-24 |
| DE1925758A1 (de) | 1969-11-27 |
| FR2009106A1 (xx) | 1970-01-30 |
| NL6907864A (xx) | 1969-11-25 |
| GB1266322A (xx) | 1972-03-08 |