HEAT TRANSFER COMPOSITIONS OF HYDROFLUOROCARBONS AND A HYDROFLUOROOLEFIN
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United States of America Patent
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Issued Date -
Apr 18, 2013
app pub date -
Jun 20, 2011
filing date -
Jun 22, 2010
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Abstract
The present invention relates to heat transfer compositions comprising 2,3,3,3-tetrafluoropropene, difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane for use in refrigeration, air-conditioning, heat pump systems, and other heat transfer applications. The inventive heat transfer compositions can possess reduced global warming potential while providing good capacity and performance.
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