ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,675, issued on Aug. 11, was assigned to LG CHEM Ltd. (Seoul, South Korea).
"Method for preparing ester-based composition" was invented by Hyun Kyu Kim (Daejeon, South Korea), Jeong Ju Moon (Daejeon, South Korea), Eun Suk Kim (Daejeon, South Korea) and Joo Ho Kim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for preparing an ester-based composition, the method configured to sequentially operate a plurality of batch reactors and control pressure in each reactor, and the ester-based composition is semi-continuously prepared to have high productivity as well as stability of the batch react...