ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,088, issued on June 2, was assigned to UNIVERSIDAD TECNICA FEDERICO SANTA MARIA (Valparaiso, Chile).
"Membrane comprising biopolymers and carbon nanomaterials for removing heavy metals in polluted waters" was invented by Elias Reinoso (Valparaiso, Chile), Geraldine Dennett (Santiago, Chile) and Carolina Parra (Santiago, Chile).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a membrane for removing heavy metals present in water or other solutions contaminated with said heavy metals, wherein said membrane comprises carbon nanomaterials and a mixture of natural biopolymers, preferably nanocellulose, carbon nanotubes and di...