ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,331, issued on July 28, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Method of preparing polymer" was invented by Sung Won Hong (Yuseong-gu, South Korea), Hyung Sub Lee (Yuseong-gu, South Korea), Dae Woo Lee (Yuseong-gu, South Korea), Woo Ri Kim (Yuseong-gu, South Korea), Min Cheol Ju (Yuseong-gu, South Korea), Min Seung Shin (Yuseong-gu, South Korea) and In Soo Kim (Yuseong-gu, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method of preparing a polymer, which includes: adding an alkyl-substituted aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a reactor and initiating polymer...