(Ortho-alkoxycarbonyaryl)-carbonate transesterification
US4323668A · kind A · utility
53Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1980 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | Dec 3, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/307
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polycarbonate transesterification process comprising reacting (ortho-alkoxycarbonylaryl)carbonates and dihydric phenol under transesterification reaction conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.