ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,976, issued on Sept. 23, was assigned to ACADEMISCH ZIEKENHUIS LEIDEN (H.O.D.N. LUMC) GMBH (Netherlands), SCINTOMICS GMBH (Germany) and TECHNISCHE UNIVERSITAT MUNCHEN (Germany).

"Hybrid tracers for targeted cancer imaging and treatment" was invented by Fijs W. B. Van Leeuwen (ZA Leiden, Netherlands), Hans-Jurgen Wester (Munich), Tessa Buckle (ZA Leiden, Netherlands), Danny Van Willigen (ZA Leiden, Netherlands), Margret Schottelius (Munich) and Saskia Kropf (Furstenfeldbruck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to compounds of formula I or Ia: (I) (Ia). Y is EuK, -EuAF, -EuPG, -L-EuE; Z is a chelating moiety...