US Patent Issued to LM CHEM, YONSEI UNIVERSITY, UNIVERSITY-INDUSTRY FOUNDATION (UIF) on May 12 for "Polycarbonate copolymer" (South Korean Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,162, issued on May 12, was assigned to LM CHEM LTD (Seoul, South Korea) and YONSEI UNIVERSITY, UNIVERSITY-INDUSTRY FOUNDATION (UIF) (Seoul, South Korea).

"Polycarbonate copolymer" was invented by Youngwook Son (Daejeon, South Korea), Hyong Min Bahn (Daejeon, South Korea), Byeong-Su Kim (Kim, South Korea), Taehyung Kim (Seoul, South Korea) and Yeji Yu (Jeollabuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a polycarbonate copolymer including a repeating unit of the following Chemical Formula 1, where the polycarbonate copolymer can have improved heat resistance:wherein in Chemical Formula 1, R1, R2, n1 and n2 are as defin...