C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01) C07C 21/185 (2006.01)
Patent
CA 2413038
A near azeotropic composition which is a blend of pentafluoroethane and 1,1,1- trifluoroethane with 1,1,1,2-tetrafluoroethane or 1,1,2,2-tetrafluoroethane in the proportions of 35 to 65 weight percent of pentafluoroethane, 30 to 60 weight percent of 1,1,1- trifluoroethane and 3 to 15 weight percent of 1,1,2,2-tetrafluoroethane or 1,1,1,2- tetrafluoroethane.
Bivens Donald Bernard
Shiflett Mark Brandon
Yokozeki Akimichi
E.i. Du Pont de Nemours And Company
Torys Llp
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