ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,586, issued on May 6, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Method of preparing polymer" was invented by Sung Won Hong (Daejeon, South Korea), Hyung Sub Lee (Daejeon, South Korea), Dae Woo Lee (Daejeon, South Korea), Min Cheol Ju (Daejeon, South Korea), Seong Jae Shin (Daejeon, South Korea), Min Seung Shin (Daejeon, South Korea) and In Soo Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of preparing a polymer, which includes: adding a first reaction solution including an aqueous solvent and a monomer mixture including an alkyl-substituted aromatic vinyl-based monomer, a...