ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,046, issued on March 31, was assigned to ExxonMobil Chemical Patents Inc. (Spring, Texas).
"Ethylene recycle systems and methods" was invented by Brian Heins (Humble, Texas), Paul Hamilton (Hampshire, Great Britain), Jason Giaquinto (Houston), Cade Hodgson (Houston) and Heather Gilligan (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ethylene recycle method may include: obtaining an overheads stream comprising ethylene in a first gaseous state from an ethylene purification column; heating the overheads stream in a first heat exchanger to produce a heated overheads stream comprising the ethylene in a second gaseous state; compressing the ...