US Patent Issued to SK Innovation, SK Geo Centric on Oct. 14 for "Method and device for refining waste plastic pyrolysis oil" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,944, issued on Oct. 14, was assigned to SK Innovation Co. Ltd. (Seoul, South Korea) and SK Geo Centric Co. Ltd. (Seoul, South Korea).

"Method and device for refining waste plastic pyrolysis oil" was invented by Yong Woon Kim (Daejeon, South Korea), Kyong Sik Park (Daejeon, South Korea), Min Woo Shin (Daejeon, South Korea), Jin Seong Jang (Daejeon, South Korea), Dong Keun Kim (Daejeon, South Korea), Joo Won Park (Daejeon, South Korea), Un Cheol Baek (Daejeon, South Korea) and Byung Kook Ahn (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for refining waste plastic pyrolysis oil is provided, including: applying a voltage ...