Method of removing olefinic impurities from hydrochlorofluorocarbons
US5569797A · kind A · utility
6Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1992 |
| Grant date | Oct 29, 1996 |
| Priority date | — |
| Expiry date | Jan 7, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a hydrochlorofluorocarbon essentially free of olefinic impurities by selectively hydrogenating the olefinic impurities. The process may be controlled such that at least a portion of the hydrochlorofluorocarbon is converted into a fluorohydrocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.