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US 4,055,049 AGranted
Constant boiling mixtures of 1,2-difluoroethane and 1,1,2-trichloro-1,2,2-trifluoroethane
AssigneeAllied Chemical Corporation
InventorsKevin P. Murphy, Richard F. Stahl
Life of this patent
Estimating the term…
Abstract
Constant boiling mixtures of 1,2-difluoroethane and 1,1,2-trichloro-1,2,2-trifluoroethane are useful as power fluids in low temperature Rankine cycles, and as refrigerants, aerosol propellants, expansion agents and solvents.
Claims4
Constant boiling mixtures consisting essentially of about 43 weight percent of 1,2-difluoroethane and about 57 weight percent 1,1,2-trichlorotrifluoroethane.
Dependencies are inferred from the claim text.