ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,885, issued on Aug. 19, was assigned to TotalEnergies OneTech (Courbevoie, France).
"Method for purifying a pyrolysis oil in order to upgrade it by steam-cracking" was invented by Thomas Coustham (Ablon, France), Marfiza Victoria Berrio Navarro (Le Havre, France), Helene Coulombeau-Leroy (Montivilliers, France), Sebastien Leplat (Honfleur, France), Quentin Lesueur (Grenoble, France) and Didrik Haudebourg (Le Havre, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for purifying a pyrolysis oil originating from the pyrolysis of waste including plastics by liquid/liquid extraction. This extraction is performed by ...