Use of polymerization inhibitor to prolong the life of a Lewis acid catalyst
US5714651A · kind A · utility
11Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1995 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Dec 28, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/206
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for extending the life of catalyst used to fluorinate olefins, e.g. a supported Lewis acid catalyst in the catalytic hydrofluorination of vinylidene chloride by conducting the hydrofluorination in the presence of a polymerization inhibitor for the vinylidene chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.