US Patent Issued to LG CHEM on June 17 for "Method of preparing vinyl chloride-based polymer composite" (South Korean Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,139, issued on June 17, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method of preparing vinyl chloride-based polymer composite" was invented by Kun Ji Kim (Daejeon, South Korea), Seong Yong Ahn (Daejeon, South Korea), Heung Kwon Bae (Daejeon, South Korea), Se Woong Lee (Daejeon, South Korea) and Hyun Kyou Ha (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of preparing a vinyl chloride-based polymer composite, which includes: bulk-polymerizing vinyl chloride-based monomers to prepare a vinyl chloride-based polymer; and preparing a vinyl chloride-based polymer composite including the vinyl chloride-bas...