BE557832A - - Google Patents
Info
- Publication number
- BE557832A BE557832A BE557832DA BE557832A BE 557832 A BE557832 A BE 557832A BE 557832D A BE557832D A BE 557832DA BE 557832 A BE557832 A BE 557832A
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2651—Alkaline earth metals or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US869114XA | 1956-05-29 | 1956-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557832A true BE557832A (instruction) |
Family
ID=22201706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557832D BE557832A (instruction) | 1956-05-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE557832A (instruction) |
| DE (1) | DE1161431B (instruction) |
| FR (1) | FR1176299A (instruction) |
| GB (1) | GB869114A (instruction) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1174424B (de) * | 1960-02-16 | 1964-07-23 | Siemens Ag | Schutzeinrichtung fuer Halbleiterventile, insbesondere in Stromversorgungsanlagen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2723294A (en) * | 1955-11-08 | Preparation of polymerization products | ||
| DE597496C (de) * | 1929-11-27 | 1934-05-25 | I G Farbenindustrie Akt Ges | Verfahren zur Darstellung von Polymerisationsprodukten des AEthylenoxyds |
| FR1007707A (fr) * | 1948-03-23 | 1952-05-09 | Basf Ag | Procédé de production d'oxydes d'alcoylènes polymères |
-
0
- BE BE557832D patent/BE557832A/xx unknown
-
1957
- 1957-05-28 DE DEU4562A patent/DE1161431B/de active Pending
- 1957-05-28 GB GB16843/57A patent/GB869114A/en not_active Expired
- 1957-05-28 FR FR1176299D patent/FR1176299A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1161431B (de) | 1964-01-16 |
| GB869114A (en) | 1961-05-31 |
| FR1176299A (fr) | 1959-04-08 |