B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/52.E, 260/65
B01J 27/125 (2006.01) C07C 17/00 (2006.01) C07C 17/358 (2006.01) C07C 19/08 (2006.01)
Patent
CA 2012792
- 20 - ABSTRACT OF THE DISCLOSURE A process of isomerizing a chlorofluorocarbon of the formula: CClFYCClFX wherein X and Y are independently selected from chlorine and fluorine provided that X is not -Cl when Y is -F to the compound of the formula: CCl2YCF2X The process comprises contacting the chlorofluorocarbon with an activated aluminum trihalide catalyst. The catalyst is prepared by contacting the chlorofluorocarbon with anhydrous aluminum trichloride in the presence of a metal. The metal is selected from the group consisting of stainless steel, chromium, manganese, molybdenum, tungsten and combinations thereof. 19860003.pat
Dixie Chemical Company
Kirby Eades Gale Baker
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