ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,572, issued on Sept. 15, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).
"Rubber particles, composite particles and production methods thereof" was invented by Shoji Okabe (Annaka, Japan), Takahito Oki (Annaka, Japan), Yoshinori Inokuchi (Annaka, Japan), Shunji Aoki (Annaka, Japan) and Tsuneo Kimura (Annaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are polysiloxane structure-containing rubber particles and composite particles having a high dispersibility and degradability; and production methods thereof. The rubber particles are comprised of a copolymer having a polyester structure and an organopolysiloxane structure, wher...