US Patent Issued to LG Chem on March 25 for "Hybrid supported metallocene catalyst and method for preparing polypropylene using the same" (South Korean Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,432, issued on March 25, was assigned to LG Chem Ltd. (Seoul, South Korea).

"Hybrid supported metallocene catalyst and method for preparing polypropylene using the same" was invented by Sanghoon Lee (Daejeon, South Korea), Sangeun An (Daejeon, South Korea), Seok Hwan Kim (Daejeon, South Korea), Daesik Hong (Daejeon, South Korea) and Donghyeon Gwon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The hybrid supported metallocene catalyst according to the present disclosure comprises at least one first metallocene compound selected from compounds represented by the following Chemical Formula 1; and at least one second metallocene ...