Catalytic aliphatic carbonate process
US4361519A · kind A · utility
12Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1980 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Oct 14, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C68/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A catalytic aliphatic carbonate process which comprises contacting an alcohol, carbon monoxide, a Bronsted base, a Group VIIIB element selected from ruthenium, rhodium, palladium, osmium, iridium or platinum, oxygen and a redox co-catalyst. The resulting monocarbonates are useful in the preparation of polycarbonates via transesterification techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.