Control of impurities in reaction product of rhodium-catalyzed methanol carbonylation
US8017802B2 · kind B2 · utility
6Cited by
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14Claims
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Key dates
| Filing date | May 21, 2007 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Aug 7, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/47
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to carbonylation of methanol, methyl acetate, dimethyl ether or mixtures thereof to produce glacial acetic acid, and more specifically to the manufacture of glacial acetic acid by the reaction of methanol, methyl acetate, dimethyl ether or mixtures thereof with carbon monoxide wherein the product glacial acetic acid contains low impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.