ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,274, issued on Dec. 9, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Antifoulant and process" was invented by Sean W. Ewart (Pearland, Texas), Sarat Munjal (Lake Jackson, Texas), Alexandra E. Frankel (Lake Jackson, Texas) and Henk Hagen (Terneuzen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a process. In an embodiment, the process includes introducing an antifoulant into an ethylene feed of a reactor system. The reactor system includes the ethylene feed, a hyper-compressor, a preheater and a polymerization reactor. The ethylene feed is located upstream of the hyper-compressor. The antif...