ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,020, issued on Nov. 25, was assigned to CHUGOKU MARINE PAINTS LTD. (Otake, Japan).

"Antifouling coating composition" was invented by Soichiro Tanino (Otake, Japan), Akino Nabe (Otake, Japan) and Yoshihiko Imai (Otake, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antifouling coating composition, an antifouling coating film, a substrate with an antifouling coating film or a method for producing the same, an antifouling method for a substrate, or a method for repairing a substrate with an antifouling coating film. The antifouling coating composition includes a hydrolyzable copolymer (A) containing an organosiloxane block and a metal ester gr...