ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,632, issued on Dec. 23, was assigned to Mexichem Fluor S.A. de C.V. (San Luis Potosi, Mexico).
"Refrigerant compositions and uses thereof" was invented by Robert Low (Runcorn, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising: (i) 1,1-difluoroethene (vinylidene fluoride, R-1132a); (ii) carbon dioxide (CO2, R-744); (iii) pentafluoroethane (R-125); and (iv) one or more of trifluoromethane (R-23) and hexafluoroethane (R-116)."
The patent was filed on Aug. 1, 2022, under Application No. 17/878,283.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?...