BE643250A - - Google Patents
Info
- Publication number
- BE643250A BE643250A BE643250A BE643250A BE643250A BE 643250 A BE643250 A BE 643250A BE 643250 A BE643250 A BE 643250A BE 643250 A BE643250 A BE 643250A BE 643250 A BE643250 A BE 643250A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
- C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US256098A US3297634A (en) | 1963-02-04 | 1963-02-04 | Cyclic dicarbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643250A true BE643250A (de) | 1964-05-15 |
Family
ID=22971097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643250A BE643250A (de) | 1963-02-04 | 1964-01-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3297634A (de) |
| BE (1) | BE643250A (de) |
| CH (1) | CH444883A (de) |
| DE (1) | DE1493409A1 (de) |
| GB (1) | GB995813A (de) |
| NL (1) | NL6400872A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992432A (en) * | 1967-04-05 | 1976-11-16 | Continental Oil Company | Phase transfer catalysis of heterogeneous reactions by quaternary salts |
| US4644053A (en) * | 1984-05-11 | 1987-02-17 | General Electric Company | Cyclic polycarbonate oligomers and methods for their preparation and use |
| US4740583A (en) * | 1984-05-11 | 1988-04-26 | General Electric Company | Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom |
| US4931571A (en) * | 1984-10-25 | 1990-06-05 | Scientific Design Company, Inc. | Process for preparing alkylene carbonates from alkylene oxides |
| US4727134A (en) * | 1985-02-22 | 1988-02-23 | General Electric Company | Method for preparing cyclic polycarbonate oligomer mixtures |
| US4701538A (en) * | 1985-11-12 | 1987-10-20 | General Electric Company | Composition comprising bicyclic carbonate oligomer |
| US4696998A (en) * | 1986-07-28 | 1987-09-29 | General Electric Company | Cyclic heterocarbonates and methods for their preparation and use |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE620620A (de) * | ||||
| FR1293289A (fr) * | 1960-06-02 | 1962-05-11 | Ciba Geigy | Nouveaux bisphénols et polyphénols et leur préparation |
| BE630530A (de) * | 1962-04-04 | 1900-01-01 | ||
| US3155683A (en) * | 1963-06-03 | 1964-11-03 | Gen Electric | Preparation of aromatic cyclic carbonates |
-
1963
- 1963-02-04 US US256098A patent/US3297634A/en not_active Expired - Lifetime
- 1963-12-06 GB GB48378/63A patent/GB995813A/en not_active Expired
-
1964
- 1964-01-22 CH CH72264A patent/CH444883A/de unknown
- 1964-01-31 DE DE19641493409 patent/DE1493409A1/de active Pending
- 1964-01-31 BE BE643250A patent/BE643250A/xx unknown
- 1964-02-03 NL NL6400872A patent/NL6400872A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6400872A (de) | 1964-08-05 |
| DE1493409A1 (de) | 1969-07-10 |
| US3297634A (en) | 1967-01-10 |
| GB995813A (en) | 1965-06-23 |
| CH444883A (de) | 1967-10-15 |