C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/04 (2006.01) C07C 17/10 (2006.01) C07C 17/38 (2006.01) C07C 17/395 (2006.01)
Patent
CA 2125775
2125775 9312058 PCTABS00022 2-Chloro-1,1-difluoroethylene (R-1122) is removed from 1,1,1,2-tetrafluoroethane (R-134a) by contacting the R-134a in the vapor phase with chlorine in the presence of ultraviolet light providing an exposure of at least about 2 watts-hour/kg.
Harnish Daniel F.
Smith Addison M.
Yates Stephen F.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
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