Purification of acetic acid produced by the low water carbonylation of methanol by treatment with ozone
US5202481A · kind A · utility
8Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1992 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Mar 5, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/487
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Acetic acid produced by the low water carbonylation of methanol and containing iodide, unsaturates and carbonyl impurities is purified by treatment with ozone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.