BE626345A - - Google Patents
Info
- Publication number
- BE626345A BE626345A BE626345DA BE626345A BE 626345 A BE626345 A BE 626345A BE 626345D A BE626345D A BE 626345DA BE 626345 A BE626345 A BE 626345A
- 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
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
- C07D321/12—Eight-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
- C07D327/10—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms two oxygen atoms and one sulfur atom, e.g. cyclic sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US161306A US3221025A (en) | 1961-12-21 | 1961-12-21 | Aromatic carbonates |
| US392060A US3220980A (en) | 1961-12-21 | 1964-07-01 | Polymerization of aromatic cyclic carbonate monomers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE626345A true BE626345A (en:Method) |
Family
ID=26857713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE626345D BE626345A (en:Method) | 1961-12-21 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3220980A (en:Method) |
| BE (1) | BE626345A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH419611A (de) * | 1961-08-02 | 1966-08-31 | Bayer Ag | Verfahren zur Herstellung hochmolekularer linearer Polycarbonate |
| US4701537A (en) * | 1985-01-02 | 1987-10-20 | General Electric Company | Aromatic bis cyclic carbonates |
| US4605731A (en) * | 1985-04-16 | 1986-08-12 | General Electric Company | Method for preparing linear polycarbonate from cyclic oligomer with aryl carbanion generating catalyst |
| DE3607625A1 (de) * | 1986-03-07 | 1987-09-10 | Bayer Ag | Verfahren zur herstellung von linearen aliphatischen polycarbonaten |
| DE4015163C2 (de) * | 1990-05-11 | 1994-12-22 | Bayer Ag | Cyclische Carbonate der Bis(2-hydroxy-3-cycloalkyl-phenyl)methane und Verfahren zur Herstellung aromatischer Polycarbonate daraus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE630530A (en:Method) * | 1962-04-04 | 1900-01-01 | ||
| US3155683A (en) * | 1963-06-03 | 1964-11-03 | Gen Electric | Preparation of aromatic cyclic carbonates |
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0
- BE BE626345D patent/BE626345A/xx unknown
-
1964
- 1964-07-01 US US392060A patent/US3220980A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3220980A (en) | 1965-11-30 |