ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,504, issued on Dec. 9, was assigned to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY (Riyadh, Saudi Arabia).

"Cobalt oxide/calcium silicate @graphitic carbon nitride (CoO/CaSiO3@g-C3N4) nanocomposite as a photocatalyst" was invented by Mohamed Khairy Abdel Fattah Omran (Riyadh, Saudi Arabia) and Babiker Yagoub Elhadi Abdulkhair (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of water purification includes mixing contaminated water with a cobalt oxide/calcium silicate @graphitic carbon nitride (CoO/CaSiO3@g-C3N4) nanocomposite material to form a reaction mixture, exposing the reaction mixture to light, and removing the nanoco...