C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/20 (2006.01) C07C 17/23 (2006.01) C07C 17/395 (2006.01)
Patent
CA 2315304
A gaseous process for reducing the amount of chloropentafluoroethane (CFC 115) impurity present in pentafluoroethane (HFC 125 ) characterized in that pentafluroethane is allowed to flow on a catalyst formed by a trivalent chromium salt, optionally supported, at temperatures in the range 200°C-400°C, obtaining the reaction of chloropentafluoroethane with pentafluoroethane with formation of hexafluoroethane (FC 116) and tetrafluorochloroethane (HCFC 124).
Cuzzato Paolo
Peron Sergio
Ausimont S.p.a.
Gowling Lafleur Henderson Llp
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