ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,951, issued on Aug. 25, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Graft polymer" was invented by Daisuke Noguchi (Osaka, Japan), Tetsuya Uehara (Osaka, Japan), Shinichi Minami (Osaka, Japan) and Teruyuki Fukuda (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil-resistant agent including a graft polymer obtained by graft modification of a bio-based material with a long-chain hydrocarbon group-containing non-fluorine polymer having a long-chain hydrocarbon group having 7 to 40 carbon atoms. Also disclosed is a fiber product including the graft polymer in the oil-resistant agent and a method for producing the oil-resistan...