Method for making aromatic organic carbonates
US5399734A · kind A · utility
61Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1993 |
| Grant date | Mar 21, 1995 |
| Priority date | — |
| Expiry date | Jul 20, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C68/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Improved yields of aromatic organic carbonates made by the palladium catalyzed direct carbonylation of aromatic organic hydroxy compounds can be achieved if the total gas pressure and partial pressure of carbon monoxide and oxygen are substantially maintained during the reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.