Patent ID: 6703533
Filing Date: 2004-03-09
Classification: C07C

Abstract:
A process for producing an olefinic fluorocarbon selected from the group consisting of (CF3)2C&boxH;CH2, CF3CH&boxH;CF2, CF2&boxH;C(CF3)OCF2CHF2 and C6H5C(CF3)&boxH;CF2, comprising:contacting the corresponding fluorocarbon starting material selected from the group consisting of (CF3)2CFCH2F, (CF3)2CHF, (CF3)2CFOCF2CHF2 and C6H5CF(CF3)2, in the vapor phase, with a defluorination reagent selected from the group consisting of carbon, copper, iron, nickel and zinc at an elevated temperature of at least 300Â° C.