US Patent Issued to LG CHEM on March 17 for "Batch preparation method of ester-based material" (South Korean Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,191, issued on March 17, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Batch preparation method of ester-based material" was invented by Hyun Kyu Kim (Daejeon, South Korea), Jeong Ju Moon (Daejeon, South Korea), Eun Suk Kim (Daejeon, South Korea) and Yun Gon Heo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for preparing an ester-based material, the method including a step in which in a batch reactor, under a catalyst, at least one polycarboxylic acid selected from the group consisting of a terephthalic acid, a phthalic acid, an isophthalic acid, a cyclohexane dicarboxylic acid, a...