Compositions comprising E-1,2-difluoroethylene and uses thereof
AssigneeE. I. Du Pont de Nemours and Company
InventorsBarbara Haviland Minor, Robert L. Waterland
Life of this patent
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Abstract
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises E-1,2-difluoroethylene. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids.
Claims15
A composition comprising E-1,2-difluoroethylene and 2,3,3,3-tetrafluoropropene.
A method for replacing a refrigerant selected from the group consisting of R134a, R22, R12, R404A, R410A, R407A, R407C, R413A, R417A, R422A, R422B, R422C, R422D, R423A, R424A, R426A, R428A, R430A, R434A, R437A, R438A, R507A, and R502 in a heat transfer system that uses, used or was designed to use said refrigerant, comprising adding and replacing to said system a composition comprising E-1,2-difluoroethylene and 2,3,3,3-tetrafluoropropene.
Dependencies are inferred from the claim text.