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US 9,175,202 B2Granted
Heat transfer compositions
AssigneeMexichem Amanco Holding S.A. de C.V.
InventorRobert E Low
Life of this patent
Estimating the term…
Abstract
The invention provides a heat transfer composition comprising trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)), fluoroethane (R-161) and a third component selected from difluoromethane (R-32) and/or 1,1-difluoroethane (R-152a).
Claims102
A heat transfer composition comprising from about 58 to about 93% by weight of R-1234ze(E), from about 5 to about 30% by weight of R-161, and from about 2 to about 12% by weight of R-32.
A heat transfer composition comprising from about 50 to about 93% by weight of R-1234ze(E), from about 2 to about 20% by weight of R-161, and from about 5 to about 30% by weight of R-152a.
Dependencies are inferred from the claim text.