ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,677, issued on June 9, was assigned to TerraPower Isotopes LLC (Bellevue, Wash.).

"Process for the repeated irradiation of a radium target" was invented by Ken Czerwinski (Seattle), Joshua C. Walter (Kirkland, Wash.) and Christopher Dunckley (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Targetry coupled separation refers to enhancing the production of a predetermined radiation product through the selection of a target (including selection of the target material and the material's physical structure) and separation chemistry in order to optimize the recovery of the predetermined radiation product. This disclosure describes systems and method...