US Patent Issued to SK CHEMICALS on Dec. 30 for "Polymerizable raw material comprising recycled bis(2-hydroxyethyl) terephthalate and method for preparing the same" (South Korean Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,412, issued on Dec. 30, was assigned to SK CHEMICALS Co. LTD. (Seongnam-si, South Korea).

"Polymerizable raw material comprising recycled bis(2-hydroxyethyl) terephthalate and method for preparing the same" was invented by Ji-Hun Kim (Seongnam-si, South Korea), Kwang-Woo Park (Seongnam-si, South Korea), Seong-Ki Lee (Seongnam-si, South Korea), Joong Ki Lee (Seongnam-si, South Korea) and Yuntae Jin (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polymerization raw material obtained by the depolymerization of waste polyester is disclosed. The polymerization raw material contains recycled bis(2-hydroxyethyl) terephthalate in ...