ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,735, issued on Feb. 10, was assigned to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY (Riyadh, Saudi Arabia).

"Calcium metaborate/lead tetroxide/magnesium borate/carbon nanocomposite and method of preparation" was invented by Ehab Abdelhamed Abdelrahman Ahmed (Riyadh, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A CaB2O4/Pb3O4/Mg3B2O6/C nanocomposite that includes orthorhombic calcium metaborate (CaB2O4), tetragonal lead tetroxide (Pb3O4), magnesium borate (Mg3B2O6), and carbon (C). The CaB2O4/Pb3O4/Mg3B2O6/C nanocomposite includes 55 to 70 atomic percent (at. %) oxygen (O), 5.0 to 12.5 at. % calcium (Ca), 7.5 to 15 at. % magnesium (Mg), ...