ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,473, issued on Nov. 18, was assigned to Shin-Etsu Chemical Co. Ltd. (Tokyo).

"Silicone release agent composition and a release paper or film" was invented by Ken Nakayama (Annaka, Japan) and Yasuyoshi Kuroda (Annaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a silicone release agent composition comprising the components (A), (B), (C) and (D): 50 to 99.9 parts by mass of (A) linear or branched organopolysiloxane represented by the general formula (1) and having at least two alkenyl group-containing organic groups and at least one aryl group-containing organic group in one molecule and having no fluorine-conta...