US Patent Issued to NISSIN CHEMICAL INDUSTRY on March 18 for "Vinyl acetate-silicone copolymer resin and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,571, issued on March 18, was assigned to NISSIN CHEMICAL INDUSTRY Co. LTD. (Fukui-ken, Japan).

"Vinyl acetate-silicone copolymer resin and method for producing same" was invented by Koki Uchida (Echizen, Japan) and Kentaro Watanabe (Echizen, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a vinyl acetate-silicone copolymer resin obtained by graft polymerization of vinyl acetate (B) onto an organopolysiloxane (A) represented by a specific general formula, wherein a weight ratio of the organopolysiloxane (A) to the vinyl acetate (B) is (A):(B)=10:90 to 95:5, a method for producing the same, and a vinyl acetate-sili...