ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,820, issued on Feb. 24, was assigned to Ceibo Inc. (Santiago, Chile).
"Ore resetting process for copper leaching" was invented by Anselmo Enrique Roman Espinoza (Santiago, Chile), Nelida Emilia Heresi Milad (Santiago, Chile), Catalina Urrejola Santa Maria (Santiago, Chile), Nicole Andrea Werner Ratto (Santiago, Chile), Nicole Stephanie Guajardo Contreras (Santiago, Chile) and Alejandro Eduardo Briso Retamale (Santiago, Chile).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, compositions and systems are provided that improve recovery of copper from previously leached copper ores. A reset solution comprising a chelating agent and a reducing agen...