US Patent Issued to LG Chem on Sept. 23 for "Hybrid supported metallocene catalyst and method of preparing polypropylene using the same" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,334, issued on Sept. 23, was assigned to LG Chem Ltd. (Seoul, South Korea).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a hybrid supported metallocene catalyst comprising one or more first metallocene compounds selected from compounds represented by the following Chemical Formula 1; one or more second metalloc...