US Patent Issued to Barrick Mining on March 3 for "Method for recovering precious metals from thiosulfate leach solutions" (Nevada Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,693, issued on March 3, was assigned to Barrick Mining Corp. (Toronto).

"Method for recovering precious metals from thiosulfate leach solutions" was invented by Allen Robert Morris (Elko, Nev.) and Tyler Warnock Carroll (Elko, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to a process for thiosulfate leaching of a precious metal-containing material and recovering a precious metal from a pregnant leach solution using a resin extractant. The precious metal is eluted from the loaded resin optionally using an eluant comprising trithionate. Various process improvements include maintaining the thiosulfate-containin...