Process for producing 1,1,1,2-tetrafluoroethane
US5426253A · kind A · utility
2Cited by
1References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 19, 1994 |
| Grant date | Jun 20, 1995 |
| Priority date | — |
| Expiry date | Sep 19, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/23
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing 1,1,1,2-tetrafluoroethane, which comprises reacting 2,2-dichloro-1,1,1,2-tetrafluoroethane, 2-chloro-1,1,1,2-tetrafluoroethane or a mixture thereof with hydrogen in the presence of a hydrogenation catalyst consisting essentially of a Group VIII element as the main component and at least one element selected from the group consisting of Group IB elements, lanthanum and lanthanide elements, as an additional component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.