ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,671, issued on Jan. 27, was assigned to Lummus Technology LLC (Houston).
"Plastic pyrolysis heating/reaction recipe" was invented by Sudipto Chakraborty (Houston), Liang Chen (Houston), Te-Chun Chu (Houston), Manoj Som (Houston), David Lee Guymon (Houston), Daniel T. Fernald (Houston), Richard John Jibb (Houston) and Ron Herbanek (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and processes for pyrolyzing waste plastics, including, in one or more heating stages, heating a waste plastic from an initial temperature to a peak pyrolysis temperature, and, in a final pyrolysis stage, providing heat input sufficient to maintain a temperatur...