ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,840, issued on June 2, was assigned to UOP LLC (Rosemont, Ill.).
"Apparatus and process for distributing quench fluid" was invented by Michael S. Sandacz (Glen Ellyn, Ill.) and Sathit Kulprathipanja (Schaumburg, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for distributing quench fluid to a stream of product comprising contacting a feed stream with a stream of catalyst to convert the feed stream to product. The quench fluid is sprayed into the stream of product from a first distributor through at least one first opening centered at a first radial position and from a second distributor through at least one second opening centered at a...