ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,822, issued on Feb. 17, was assigned to UOP LLC (Des Plaines, Ill.).
"Process for recovery of pyrolysis oil extraction solvent" was invented by Anton N. Mlinar (Vernon Hills, Ill.), Stanley J. Frey (Palatine, Ill.), Geoffrey W. Fichtl (Chicago), Matthew C. Cole (Evanston, Ill.), Charles P. Luebke (Mount Prospect, Ill.) and Joe R. Haas (Northbrook, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solvent stripping process has been developed for separating the pyrolysis oil in an extracted phase feed stream from an organic solvent used for extraction. The process involves using a stripping solvent to strip the organic solvent from the pyrolysis o...