| abstract |
Improved process for producing 1,1,1-trifluorodichloroethane and / or 1,1,1,2-tetrafluorochloroethane comprising contacting a suitable tetrahaloethylene with hydrogen fluoride in the presence of a selected metal in combination with a compound with a high fluorine content containing aluminum, the reaction taking place under controlled conditions making it possible to minimize the production of pentafluoroethane. |