Patent ID: 11918939
Assignee: ARKEMA FRANCE
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 7:
8. The process as claimed in claim 1, wherein said at least one impurity C is selected from the group Cl consisting of chloromethane, dichloromethane, tetrachloromethane, trichlorofluoromethane, dichlorodifluoromethane, trichlorotrifluoroethane, dichlorotetrafluoroethane, chloropentafluoroethane, fluoromethane, difluoromethane, trifluoromethane, fluoroethane, 1,1-difluoroethane, 1,2-difluoroethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, 3,3,3-trifluoropropyne, methane, ethane, propane, 1,1,1-trifluoroethane, 1,1,1,2,3,3,3-heptachloropropane, 1,1,1,2,2,3,3-heptachloropropane, 2-chloro-1,1,1,3,3,3-hexafluoropropane, 1-chloro-1,1,2,3,3,3-hexafluoropropane, 2-chloro-1,1,2,3,3,3-hexafluoropropane, 3-chloro-1,1,1,2,2,3-hexafluoropropane, 1-chloro-1,1,2,2,3,3-hexafluoropropane, 1,1,1,3,3,3-hexachloropropane, 1,1,1,2,3,3-hexachloropropane, 1,1,2,2,3,3-hexachloropropane, 1,1,1,2,2,3-hexachloropropane, 3-chloro-1,1,1,3,3-pentafluoropropane, 1-chloro-1,2,3,3,3-pentafluoropropane, 1-chloro-1,1,2,3,3-pentafluoropropane, 3-chloro-1,1,2,2,3-pentafluoropropane, 3-chloro-1,1,1,2,2-pentafluoropropane, 1-chloro-1,1,2,2,3-pentafluoropropane, 2-chloro-1,1,1,3,3-pentafluoropropane, 2-chloro-1,1,2,3,3-pentafluoropropane, 2-chloro-1,1,1,2,3-pentafluoropropane, 1,1,1,3,3,3-hexafluoropropane, 1,1,2,2,3,3-hexafluoropropane, 1,1,1,2,2,3-hexafluoropropane, 1,1,1,2,3,3-hexafluoropropane, 1,1,1,3,3-pentachloropropane, 1,1,2,3,3-pentachloropropane, 1,1,1,2,3-pentachloropropane, 1,1,2,2,3-pentachloropropane, 1,1,1,2,2-pentachloropropane, 1,1,2,2,3-pentafluoropropane, 1,1,1,2,2-pentafluoropropane, 1,1,2,3,3-pentafluoropropane, 1,1,1,2,3-pentafluoropropane, 1,1,1,3,3-pentafluoropropane, 1,1,3,3-tetrachloropropane, 1,1,1,3-tetrachloropropane, 1,1,2,3-tetrachloropropane, 1,1,1,2-tetrachloropropane, 1,2,2,3-tetrachloropropane, 1,1,2,2-tetrachloropropane, 1-chloro-1,1,3-trifluoropropane, 1-chloro-3,3,3-trifluoropropane, 1-chloro-1,1,3-trifluoropropane, 2-chloro-1,2,3-trifluoropropane, 2-chloro-1,1,2-trifluoropropane, 1-chloro-2,2,3-trifluoropropane, 1-chloro-1,2,2-trifluoropropane, 3-chloro-1,1,2-trifluoropropane, 1-chloro-1,2,3-trifluoropropane, 1-chloro-1,1,2-trifluoropropane, 1,1,3-trichloropropane, 1,1,1-trichloropropane, 1,2,3-trichloropropane, 1,1,2-trichloropropane, 1,2,2-trichloropropane, hexachloropropene, 1,1,2-trichloro-3,3,3-trifluoropropene, 1,2,3-trichloro-1,3,3-trifluoropropene, 2,3,3-trichloro-1,1,3-trifluoropropene, 3,3,3-trichloro-1,1,2-trifluoropropene, 1,3,3-trichloro-1,2,3-trifluoropropene, 1,1,3-trichloro-2,3,3-trifluoropropene, 3,3-dichloro-1,1,2,3-tetrafluoropropene, 2,3-dichloro-1,1,3,3-tetrafluoropropene, 1,3-dichloro-1,2,3,3-tetrafluoropropene, 1,2-dichloro-1,3,3,3-tetrafluoropropene, 1,2-dichloro-2,3,3,3-tetrafluoropropene, hexafluoropropene, 1,1,2,3,3-pentachloropropene, 1,2,3,3,3-pentachloropropene, 1,1,3,3,3-pentachloropropene, 1,2-dichloro-3,3,3-trifluoropropene, 2,3-dichloro-1,3,3-trifluoropropene, 2,3-dichloro-1,1,3-trifluoropropene, 3,3-dichloro-1,1,3-trifluoropropene, 1,3-dichloro-1,3,3-trifluoropropene, 1,1-dichloro-3,3,3-trifluoropropene, 1,1-dichloro-2,3,3-trifluoropropene, 1,3-dichloro-2,3,3-trifluoropropene, 3,3-dichloro-1,2,3-trifluoropropene, 3,3-dichloro-1,1,2-trifluoropropene, 3-chloro-1,1,2,3-tetrafluoropropene, 2-chloro-1,1,3,3-tetrafluoropropene, 3-chloro-1,1,3,3-tetrafluoropropene, 1-chloro-1,2,3,3-tetrafluoropropene, 1-chloro-1,3,3,3-tetrafluoropropene, 3-chloro-1,2,3,3-tetrafluoropropene, 2-chloro-1,3,3,3-tetrafluoropropene, 1-chloro-2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 1,1,2,3,3-pentafluoropropene, 1,2,3,3,3-pentafluoropropene, 1,1,2,3-tetrachloroprop ene, 1,2,3,3-tetrachloropropene, 2,3,3,3-tetrachloropropene, 1,1,3,3-tetrachloroprop ene, 1,3,3,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, 3-chloro-2,3,3-trifluoropropene, 1-chloro-2,3,3-trifluoropropene, 1-chloro-3,3,3-trifluoropropene, 2-chloro-1,3,3-trifluoropropene, 3-chloro-1,2,3-trifluoropropene, 3-chloro-1,3,3-trifluoropropene, 3-chloro-1,1,2-trifluoropropene, 2-chloro-1,1,3-trifluoropropene, 3-chloro-1,1,3-trifluoropropene, 1-chloro-1,2,3-trifluoropropene, 1-chloro-1,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, 1,1,2,3-tetrafluoropropene, 1,1,3,3-tetrafluoropropene, 1,2,3,3-tetrafluoropropene, 1,1,2-trichloropropene, 1,2,3-trichloropropene, 2,3,3-trichloropropene, 1,1,3-trichloropropene, 1,3,3-trichloropropene, 3,3,3-trichloropropene, 3-chloro-3,3-difluoropropene, 3-chloro-2,3-difluoropropene, 2-chloro-3,3-difluoropropene, 2-chloro-1,1-difluoropropene, 3-chloro-1,1-difluoropropene, 3-chloro-1,2-difluoropropene, 2-chloro-1,3-difluoropropene, 3-chloro-1,3-difluoropropene, 1-chloro-2,3-difluoropropene, 1-chloro-3,3-difluoropropene, 1,1,3-trifluoropropene, 1,1,2-trifluoropropene, 3,3,3-trifluoropropene, 1,2,3-trifluoropropene, 2,3,3-trifluoropropene, 1,3,3-trifluoropropene, 1,1-dichloropropene, 1,2-dichloropropene, 2,3-dichloropropene, 1,3-dichloropropene, 3,3-dichloropropene, 1,1-difluoropropene, 1,2-difluoropropene, 2,3-difluoropropene and 3,3-difluoropropene.