Process for the production of acetic acid
US8101796B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Jan 10, 2007 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Jan 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for producing acetic acid by carbonylating methanol and/or a reactive derivative thereof with carbon monoxide in at least one carbonylation reaction zone containing a liquid reaction composition containing an iridium carbonylation catalyst, methyl iodide co-catalyst, a finite concentration of water, acetic acid, methyl acetate. Indium and rhenium are present as promoters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.