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US 4,428,854 AGranted
Absorption refrigerant compositions for use in absorption refrigeration systems
AssigneeDaikin Kogyo Co., Ltd.
InventorsNaonori Enjo, Hideki Aomi
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Abstract
An absorption refrigerant composition for use in absorption refrigeration systems comprising 1,1,1,2-tetrafluoroethane and an organic solvent capable of dissolving the ethane.
Claims2
An absorption refrigerant composition comprising 1,1,1,2-tetrafluoroethane and at least one organic solvent selected from the group consisting of tetraethylene glycol dimethyl ether, dimethylformamide, methyl ethyl ketone, methyl tetrahydrofurfuryl ether, ethyl tetrahydrofurfuryl ether and butyl tetrahydrofurfuryl ether, said 1,1,1,2-tetrafluoroethane being present in an amount of at least 40 wt.% based on the weight of the composition.
Dependencies are inferred from the claim text.