US Patent Issued to DAIKIN INDUSTRIES on May 6 for "Composition containing refrigerant, use of same, refrigerator having same, and method for operating said refrigerator" (Japanese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,665, issued on May 6, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Composition containing refrigerant, use of same, refrigerator having same, and method for operating said refrigerator" was invented by Mitsushi Itano (Osaka, Japan), Shun Ohkubo (Osaka, Japan) and Daisuke Karube (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a novel low-GWP mixed refrigerant.Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), difluoromethane (R32), 1,3,3,3-tetrafluoropropene (R1234ze), and carbon dioxide."

The patent was fil...