Production of pentafluoroethane
US5763707A · kind A · utility
2Cited by
0References
9Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 19, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Sep 19, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C19/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is provided a process for the production of pentafluoroethane which comprises contacting a hydrofluorochloroethane having the formula: C.sub.2 H.sub.1 Cl.sub.1+x F.sub.1+y wherein x and y are each independently 0,1,2 or 3 provided x+y is 3 with hydrogen fluoride in the vapor phase and in the presence of a fluorination catalyst which comprises zinc or a compound of zinc and chromia, chromium fluoride or chromium oxyfluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.