Patent Number: 6,307,114

Title: Process for preparing 1,1,1-trifluoro-2-chloroethane

Abstract: In the preparation of 1,1,1-trifluoro-2-chloroethane (HCFC 133a) by means of hydrofluorination in the gas phase of trichloroethylene (TCE) in the presence of a carried catalyst based on Cr.sub.2 O.sub.3 it is possible to prolong the catalyst life by feeding to the hydrofluorination reactor, along with trichloroethylene, little amounts (7-25 mols % calculated on the mixture with trichloroethylene) of 133a.

Inventors: Cuzzato; Paolo (Treviso, IT)

Assignee: Ausimont S.p.A.

International Classification: C07C 17/21 (20060101); C07C 17/00 (20060101); C07C 017/08 ()

Expiration Date: 10/23/2018