ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,580, issued on April 29, was assigned to Mexichem Fluor S.A. de C.V. (San Luis Potosi, Mexico).
"Compositions" was invented by Robert Low (Runcorn, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a composition comprising (a) from about 6 to about 18 weight % R-1132a, (b) from about 5 to about 35 weight % R-32, and (c) from about 47 to about 89 weight % R-1234yf. The use of such a composition as a working fluid in a heat pump system of a vehicle, preferably an electric vehicle, is also provided."
The patent was filed on Feb. 11, 2020, under Application No. 17/428,930.
*For further information, including images, ch...