ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,327, issued on Sept. 15, was assigned to Curium US LLC (St. Louis).

"Copper-64 compositions and purification processes for the preparation of novel copper-64 compositions" was invented by Brian Regna (St. Louis), Lars Lindskog (St. Louis), Allan Casciola (St. Louis) and Jeffrey Randick (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to novel compositions comprising high levels of copper-64 (e.g., high radionuclidic purity, high activity, and/or high specific activity), and processes for preparing said compositions. The compositions may comprise from about 2 Ci to about 120 Ci, about 15 Ci to about 120 Ci, abo...