ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,190, issued on April 14, was assigned to CURIUM US LLC (St. Louis).

"Purification process for the preparation of non-carrier added copper-64" was invented by David Pipes (St. Louis), Lauren Radford (St. Louis), William Uhland (St. Louis), Brian Regna (St. Louis), Craig Brunkhorst (St. Louis) and Shaun Loveless (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions comprising high levels of high specific activity copper-64, and process for preparing said compositions. The compositions comprise from about 2 Ci to about 15 Ci of copper-64 and have specific activities up to about 3800 mCi copper-64 per microgram of copper. The processes...