ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,175, issued on Sept. 8, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Method for producing composition containing purified fluorine-containing ether compound" was invented by Daisuke Karube (Osaka, Japan), Kenta Nishimura (Osaka, Japan), Yuuki Suzuki (Osaka, Japan), Tsubasa Nakaue (Osaka, Japan), Yoshichika Kuroki (Osaka, Japan) and Michiaki Okada (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for producing a composition comprising a purified fluorine-containing ether compound represented by formula (1): CHX1X2CF2OX3, wherein X1 and X2 are the same or different and each represents a hy...