ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,062, issued on July 15, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Polycarbonate resin, method for producing same, polycarbonate resin composition and molded body" was invented by Keisuke Shimokawa (Tokyo), Hidefumi Harada (Tokyo) and Takehiko Isobe (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides: a polycarbonate resin which has heat resistance and is able to be produced using a starting material that is derived from natural products; and a monomer compound which enables the achievement of this resin. A polycarbonate resin which includes a constituent unit represented by general formula (1);...