Fluorination catalyst and fluorination process

Details Fluorination catalyst and fluorination process Fluorination catalyst and fluorination process

1995-11-07

1996-10-29

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1720, C07C 1908

Patent

active

055697950

ABSTRACT:
A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300.degree. to 500.degree. C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.

REFERENCES:
patent: 3992325 (1976-11-01), Knaak
patent: 4155881 (1979-05-01), Sullivan
patent: 4465786 (1984-08-01), Zimmer et al.
patent: 4922037 (1990-05-01), Manzer
patent: 5008474 (1991-04-01), Walraevens et al.

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