US Patent Issued to LOTTE CHEMICAL on May 12 for "Method of preparing heterogeneous linear carbonate using amine-based compound catalyst" (South Korean Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,995, issued on May 12, was assigned to LOTTE CHEMICAL Corp. (Seoul, South Korea).

"Method of preparing heterogeneous linear carbonate using amine-based compound catalyst" was invented by Jong Myung Choi (Daejeon, South Korea), Mi Hwa Baek (Daejeon, South Korea), Wang Gyu Kim (Daejeon, South Korea), Eun Hye Han (Daejeon, South Korea) and Jin Hyung Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to providing a method of preparing a heterogeneous linear carbonate, including: performing a transesterification reaction of dimethyl carbonate (DMC) and ethanol (EtOH) in the presence of a catalyst, wh...