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US 8,148,317 B2Granted
Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons
AssigneeHoneywell International Inc.
InventorsRajiv R. Singh, Hang T. Pham, Gary Knopeck, Louis E. Herena, Jeremy N. Diringer
Life of this patent
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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.
Claims39
An azeotrope-like composition comprising effective amounts of trans-1,3,3,3-tetrafluoropropene (transHFO-1234ze) and 1,1,1,2-tetrafluoroethane (HFC-134a).
Dependencies are inferred from the claim text.