Process for the reduction of halocarbons
US5430203A · kind A · utility
1Cited by
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13Claims
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Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Jul 4, 1995 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/395
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the reduction of a halocarbon containing a group having the formula --CX.sub.2 Y wherein X is Cl, Br, or I and Y is Cl, Br, I or F; in particular 1,1,1-trichloro-2,2,3,3,3-pentafluoroethane, by subjecting the halocarbon to a reduction reaction in an aqueous solution of an alkali metal sulphite or ammonium sulphite as reducing agent and an acid acceptor, in which the acid acceptor is also an alkali metal sulphite or ammonium sulphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.