Patent ID: 7982073
Filing Date: 2011-07-19
Classification: B01J,C07C,Y02P

Abstract:
1. A process comprising: (a) contacting at least one hexafluoropropane selected from the group consisting of 1,1,1,2,2,3-hexafluoropropane and 1,1,1,2,3,3-hexafluoropropane with a chromium oxyfluoride catalyst in a reactor to obtain a product mixture comprising 1,2,3,3,3-pentafluoropropene which includes Z—HFC-1225ye and E-HFC-1225ye and (b) recovering said 1,2,3,3,3-pentafluoropropene from said product mixture wherein the molar ratio of Z—HFC-1225ye to E-HFC-1225ye in said product mixture is at least 6.0.