ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,399, issued on April 22, was assigned to ROLLS-ROYCE plc (London).
"Insulating gas composition" was invented by Lujia Chen (Manchester, Great Britain), Ian Cotton (Manchester, Great Britain), Alexander C Smith (Holmfirth, Great Britain) and Jameel B Khan (Manchester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically insulating gas composition comprises C3F7CN, in an amount between 22% and 70% by volume and one or more inert gas selected from the list consisting of nitrogen, carbon dioxide (CO2), air and argon."
The patent was filed on June 17, 2022, under Application No. 17/843,173.
*For further information, including ima...