Method for producing a carbonic acid ester
US5227510A · kind A · utility
1Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1992 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Jul 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C68/01
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for producing a carbonic acid ester, which comprises reacting an aliphatic alcohol with carbon monoxide and oxygen in the presence of 1 a platinum group metal or its salt, 2 metal copper, a copper salt or a copper complex, 3 at least one member selected from the group consisting of alkali metal salts and alkaline earth metal salts, and 4 a 2-hydroxypyridine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.