ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,685, issued on Oct. 27, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Triple-layered active material with composite phase intermediate layer, its preparation and regeneration methods" was invented by Brian M. P. Weiss (Bridgewater, N.J.), Changmin Chun (Raritan, N.J.), Sophie Liu (Hampton, N.J.), Federico Barrai (Houston), Paul F. Keusenkothen (Houston) and Zachary D. Young (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active material useful in an oxidative dehydrogenation reactor system has an active phase, a support phase, and an intermediate composite phase. The active phase includes a transition metal oxide suc...