Purification of acetic acid with ozone followed by treatment with activated carbon and/or an ion-exchange resin
US5155265A · kind A · utility
9Cited by
5References
4Claims
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 and thereafter contacted with activated carbon and/or an ion-exchange resin for removal of impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.