US Patent Issued to LG CHEM on July 7 for "Method of preparing polymer" (South Korean Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,012, issued on July 7, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method of preparing polymer" was invented by Jae Bum Seo (Daejeon, South Korea), Dae Woo Lee (Daejeon, South Korea), Jung Tae Park (Daejeon, South Korea), Jung Rae Lee (Daejeon, South Korea), Ji Uk Jang (Daejeon, South Korea) and Kyeong Soo Shin (Daejeon, 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 including preparing a first polymer mixture by polymerizing while continuously adding a monomer mixture comprising a (meth)acrylate-based monomer, a vinyl aromatic monomer, and a first vinyl cyanide-bas...