B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/26 (2006.01) B01J 23/64 (2006.01) B01J 23/86 (2006.01) B01J 37/26 (2006.01) C07C 17/20 (2006.01) C07C 17/21 (2006.01) C07C 19/08 (2006.01)
Patent
CA 2131361
A halogenated hydrocarbon having 1 to 4 carbon atoms is brought into contact with hydrogen fluoride in a gaseous phase in the presence of a catalyst prepared by firing a substance composed mainly of chromium(III) hydroxide in the presence of hydrogen at a temperature of 350 to 500°C or a catalyst prepared by heat-treating the above substance in an inert gas stream at a temperature of 100 to 600°C and then firing the heat-treated compound in the presence of hydrogen at the above temperature or any one of catalysts prepared by partially fluorinating the above catalysts.
Nakajo Tetsuo
Tsuji Katsuyuki
Ridout & Maybee Llp
Showa Denko K.k.
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