ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,589, issued on May 13, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Water-repellent softening agent" was invented by Shinichi Minami (Shanghai), Takashi Enomoto (Osaka, Japan), Teruaki Gotou (Osaka, Japan), Ikuo Yamamoto (Osaka, Japan) and Tao Chen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A softening agent composition including (1) a silicone polymer, (2) a water-repellent polymer, (3) an emulsifier, and (4) a liquid medium that is water or a mixture of water and an organic solvent. Also disclosed is a method for producing the softening agent composition which includes producing a water-repellent polymer by polymerizing, i...