US Patent Issued to LG Chem on Oct. 20 for "Method for preparing polyalkylene carbonate resin" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,759, issued on Oct. 20, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Method for preparing polyalkylene carbonate resin" was invented by Seung Hee Lee (Daejeon, South Korea), Sang Kook Kim (Daejeon, South Korea), Sang Woo Kim (Daejeon, South Korea), Bo Ra Shin (Daejeon, South Korea) and No Jin Park (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method for preparing a polyalkylene carbonate resin, and more particularly, to a method for preparing a polyalkylene carbonate resin having the reduced cyclic carbonate content, which is a by-product, and an increased ratio of a repeating unit in...