C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/12 (2006.01) C07C 17/10 (2006.01)
Patent
CA 2140443
A process for the preparation of 1,1,1-trichlorotrifluoroethane in which 1- chloro-2,2,2-trifluoroethane is subjected to chlor- ination by bringing the 1-chloro-2,2,2-trifluoroethane into contact with chlorine within a reaction vessel characterized in that the process is conducted in the liquid phase in the presence of a chemical free radical initiator under a pressure of from 1 to 20 bar and at a temperature within the range 50 to 120 °C, and the product is separated from the reaction mixture by fractional distilla- tion.
Brown Stephen Martin
Glass Janet Carolyn
Sheldrake Gary Neil
Fetherstonhaugh & Co.
Syngenta Limited
Zeneca Limited
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