US Patent Issued to LG CHEM on Sept. 23 for "Method for preparing supported metallocene catalyst, supported metallocene catalyst, and method for preparing polyolefin using the same" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,328, issued on Sept. 23, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method for preparing supported metallocene catalyst, supported metallocene catalyst, and method for preparing polyolefin using the same" was invented by Cheolhwan Jeong (Daejeon, South Korea), Seungmi Lee (Daejeon, South Korea), Jung Won Lee (Daejeon, South Korea), Hyun Jee Kwon (Daejeon, South Korea) and Yongwoo Kwon (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A supported metallocene catalyst can include a silica-based carrier and an aluminum alkyl halide, a cocatalyst compound, and a metallocene compound supported in the silica-based carrier. The...