ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,673, issued on June 9, was assigned to CENTRE NATIONAL DE LA RECHERCHE SCIENTIQUE (Paris), COMMISSARIAT AL'ENERGIE ATOMIQUE ET AUX ENEGIES ALTERNATIVES (Paris), CY CERGY PARIS UNIVERSITE (Cergy, France) and UNIVERSITE D'EVRY VAL D'ESSONNE (Evry-Courcouronnes, France).

"Synthesis of composite beads coated with layered manganese oxide and use of such beads to remove toxic elements contained in fluids" was invented by Sophie Peulon (Morsang-sur-Orge, France) and Anne Pensel (Alfortville, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to composite beads coated with H-Birnessite layered manganese oxide with a sheet nan...