ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,735, issued on July 21, was assigned to KURARAY Co. LTD. (Okayama, Japan).

"Polymer, flame-retardant composition, and method of producing polymer" was invented by Daiki Noguchi (Kurashiki, Japan), Yuki Sasaki (Tainai, Japan) and Takashi Fukumoto (Tainai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymer having a structural unit represented by the following general formula (I), a flame-retardant composition comprising the polymer, and a method for producing the polymer.In the general formula (I), R1 represents any one selected from the group consisting of an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon ...