Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
CAFCFirst Claim
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1. An azeotrope-like composition comprising effective amounts of trans-1,3,3,3-tetrafluoropropene (transHFO-1234ze) and 1,1,1,2-tetrafluoroethane (HFC-134a).
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Reexamination
Accused Products
Abstract
Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
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Citations
39 Claims
- 1. An azeotrope-like composition comprising effective amounts of trans-1,3,3,3-tetrafluoropropene (transHFO-1234ze) and 1,1,1,2-tetrafluoroethane (HFC-134a).
Specification