Carbonylation process
US6127574A · kind A · utility
4Cited by
17References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1998 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Jun 16, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/56
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the production of a carboxylic acid and/or a carboxylic acid anhydride which process comprises contacting a reaction composition comprising an alcohol and/or a carboxylic acid ester, optionally water, a first hydrocarbyl halide and/or a hydrocarbyl ether reactant and a second hydrocarbyl halide promoter, the first and second hydrocarbyl halides being the same or different, with carbon monoxide in the presence of a catalyst comprising an insoluble imidazole-containing resin supporting a Group VIII metal species.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.