Refrigerant mixtures comprising tetrafluoropropene, difluoromethane, pentafluoroethane, and tetrafluoroethane, and uses thereof

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United States of America Patent

PATENT NO 9540554
SERIAL NO

14340956

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A non-flammable refrigerant mixture is disclosed. The non-flammable refrigerant mixture may include from 20 weight percent to 25.5 weight percent HFO-1234yf, (b) from 20 weight percent to 24.5 weight percent HFC-32, (c) from 24.5 weight percent to 30 weight percent HFC-125, (d) from 25.5 weight percent to 30 weight percent HFC-134a, and optionally (e) from about 0.0001 weight percent to 10 weight percent trans-HFO-1234ze. These refrigerant mixtures are useful as components in compositions also containing non-refrigerant components (e.g., lubricants), in processes to produce cooling, in methods for replacing refrigerants R-404A, R-507, R-407A, R-407C, R-407F and/or R-22, and in refrigeration apparatuses.

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Patent Owner(s)

  • THE CHEMOURS COMPANY FC, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allgood, Charles Clinton Elkton, US 6 78
Minor, Barbara Haviland Elkton, US 252 3480

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