Production of pentafluoroethane
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United States of America Patent
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Jun 9, 1998
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N/A
app pub date -
Sep 19, 1996
filing date -
Apr 6, 1994
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Abstract
There is provided a process for the production of pentafluoroethane which comprises contacting a hydrofluorochloroethane having the formula: C.sub.2 H.sub.1 Cl.sub.1+x F.sub.1+y wherein x and y are each independently 0,1,2 or 3 provided x+y is 3 with hydrogen fluoride in the vapor phase and in the presence of a fluorination catalyst which comprises zinc or a compound of zinc and chromia, chromium fluoride or chromium oxyfluoride.
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