ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,258, issued on Sept. 8, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method for producing copolymer, copolymer produced therefrom, and thermoplastic resin composition including the same" was invented by Min Cheol Ju (Daejeon, South Korea), Min Seung Shin (Daejeon, South Korea), Sung Won Hong (Daejeon, South Korea), In Soo Kim (Daejeon, South Korea) and Hyung Sub Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for producing a copolymer, a copolymer produced therefrom, and a thermoplastic resin composition including the same, the method including step (S10) for adding aromatic v...