ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,036, issued on May 27, was assigned to Centro De Neurociencias De Cuba (Havana) and Facultad De Quimica Universidad De La Habana (Havana).

"Metal oxides nanoparticles conjugated with naphthalene derivatives as contrast agents for the detection of beta amyloid plaques by magnetic resonance images" was invented by Chryslaine Rodriguez-Tanty (Havana), Marquiza Sablon Carrazana (Havana), Evelio Gonzalez Dalmau (Havana), Alicia Marcelina Diaz Garcia (Havana), Armando Augusto Paneque Quevedo (Havana), Andy Guzman Rodriguez (Havana), Julio Ricardo Rodriguez Izquierdo (Havana), Suchitil Rivera Marrero (Havana), Armando Jose Hernandez Rodriguez (Artemisa, Cuba), Israel Reyes Molina (Havana...