ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,389, issued on May 13, was assigned to Lummus Technology LLC (Houston).
"Plastic pyrolysis reactor" was invented by David Lee Guymon (Houston), Daniel T. Fernald (Houston), Ron Herbanek (Houston), Richard John Jibb (Houston), Sudipto Chakraborty (Houston), Johnny Doyle Combs (Tyler, Texas), Boddie Lynn Lindsey (Kilgore, Texas) and Zachary Alan Mays (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for converting waste plastic material to petrochemicals. The system including a feed inlet and distributor zone, a raked film reaction section located below the feed inlet and distributor zone, and a stirred tank reaction section located bel...