ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,732, issued on July 8, was assigned to NICCA CHEMICAL Co. LTD. (Fukui, Japan) and DOW TORAY Co. LTD. (Tokyo).

"Water repellent agent composition, and production method of water repellent fiber product" was invented by Akihiro Gotou (Fukui, Japan), Kousuke Maeda (Fukui, Japan), Yoshiki Tsuge (Fukui, Japan), Kazuhiko Kojima (Ichihara, Japan) and Seiji Hori (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water repellent agent composition contains amino-modified silicone, a silicone resin, and alkylpolysiloxane. An amount of the alkylpolysiloxane mixed is 500 to 15,000 parts by mass with respect to 100 parts by mass of an amount of the ...