ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,886, issued on May 20, was assigned to HONSHU CHEMICAL INDUSTRY Co. LTD. (Tokyo).
"Composition for resin raw material" was invented by Masato Kodera (Wakayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In order to improve resin physical properties such as heat resistance (glass transition temperature) of a resin such as polyester obtained from 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl, provided is a composition for a resin raw material containing a compound represented by formula (1) as a component A and a compound represented by formula (2) as a component B, wherein their composition ratios are in ranges wherein the component A is present...