Purification of acetic acid with ozone in the presence of an oxidation catalyst
US5155266A · kind A · utility
8Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Apr 19, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/487
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Acetic acid containing iodide, unsaturates and carbonyl impurities is purified by treatment with ozone in the presence of an oxidation catalyst. The acetic acid product may be further contacted with activated carbon or ion-exchange resins for additional removal of impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.