Purification of carbonylation products
US4246195A · kind A · utility
7Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1978 |
| Grant date | Jan 20, 1981 |
| Priority date | — |
| Expiry date | Oct 6, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/573
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Carbonylation products of methyl acetate such as acetic anhydride are purified with respect to iodine contaminants by treatment with cesium acetate, potassium acetate or sodium acetate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.