Patent ID: 8802899
Filing Date: 2014-08-12
Classification: C07C,C07D

Abstract:
1. A process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): wherein R f represents a C 1 -C 6 perfluoro(oxy)alkyl group; R f ′, R f ″ and R f ″′, equal to or different from each other, independently represent fluorine atoms or C 1 -C 5 perfluoro(oxy)alkyl groups; X and X′, equal to or different from each other, are independently selected from the group consisting of Cl, Br, and I; wherein R f * and R f *′, equal to or different from each other, independently represent fluorine atoms or C 1 -C 3 perfluoro(oxy)alkyl groups; Y wherein the process is carried out in gas-phase.