ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,344, issued on Sept. 8, was assigned to SK INNOVATION Co. LTD. (Seoul, South Korea).
"Pyrolysis method for waste plastic" was invented by Sanghwan Jo (Daejeon, South Korea), Jaeheum Jung (Daejeon, South Korea) and Sookil Kang (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for producing waste plastic pyrolysis oil, the method comprising: a pyrolysis process of producing pyrolysis gas by introducing waste plastic into a pyrolysis reactor; and a hardening process of producing pyrolysis oil by injecting the pyrolysis gas into a hot filter filled with a neutralizer, wherein the pyrolysis oil c...