ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,844, issued on July 22, was assigned to SK INNOVATION Co. LTD. (Seoul, South Korea) and SK GEO CENTRIC Co. LTD. (Seoul, South Korea).

"Method and system for producing refined hydrocarbons from waste plastic pyrolysis oil" was invented by Yong Woon Kim (Daejeon, South Korea), Seo Yeong Kang (Daejeon, South Korea), Soo Kil Kang (Daejeon, South Korea), Min Gyoo Park (Daejeon, South Korea), Young Moo Park (Daejeon, South Korea), Min Woo Shin (Daejeon, South Korea), Jae Hwan Lee (Daejeon, South Korea), Jin Seong Jang (Daejeon, South Korea) and Sang Hwan Jo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates...