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US 7,569,170 B2Granted
Compositions comprising a fluoroolefin
AssigneeE.I. du Pont de Nemours and Company
InventorBarbara Haviland Minor
Life of this patent
Estimating the term…
Abstract
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. 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 fire suppression and fire extinguishing agents.
Claims32
An azeotropic or near-azeotropic composition comprising about 1 weight percent to about 99 weight percent HFC-1234yf and about 99 weight percent to about 1 weight percent HFC-134a.
Dependencies are inferred from the claim text.