Mass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbons
US5523500A · kind A · utility
21Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Feb 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/206
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to mass catalysts based on chromium and nickel oxides, obtained from a sol of chromium and nickel hydroxides. These catalysts, in which the Ni/Cr atomic ratio is between 0.05 and 5, may be used from the fluorination of halogenated hydrocarbons by HF in the gas phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.