ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,575, issued on June 3, was assigned to United States Department of Energy (Washington).

"Process for production of hydrogen with transport from chemical looping using mixture of partial oxidation oxygen carriers and combustion oxygen carriers" was invented by Ranjani Siriwardane (Morgantown, W.va.) and Jarrett Riley (Morgantown, W.va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a process for producing hydrogen having the steps of reacting a fuel with a combination of two oxygen carriers to produce gaseous products and reduced oxygen carriers; reacting a portion of the reduced oxygen carriers with steam to generate hydrogen a...