ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,346, issued on Dec. 9, was assigned to TOPSOE A/S (Kgs. Lyngby, Denmark).

"Process and plant for converting oxygenates to gasoline with improved gasoline yield and octane number as well as reduced durene levels" was invented by Finn Joensen (Horsholm, Denmark), Arne Knudsen (Copenhagen, Denmark), Mathias Jorgensen (Hillerod, Denmark) and John Bogild Hansen (Humlebaek, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "Process for converting an oxygenate feed stream, the process comprising the steps of: conducting the oxygenate feed stream to an oxygenate-to-gasoline reactor, suitably a methanol-to-gasoline reactor (MTG reactor) under the presence...