ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,911, issued on April 14, was assigned to ExxonMobil Product Solutions Co. (Spring, Texas).
"Cracking a C4-C7 fraction of pyoil" was invented by Daryl Bitting (Longview, Texas), Kenny Randolph Parker (Afton, Tenn.), Michael Gary Polasek (Longview, Texas), David Eugene Slivensky (Tatum, Texas), Xianchun Wu (Longview, Texas) and Jerome Leonard Stavinoha Jr. (Longview, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be ...