US Patent Issued to Sherritt International on April 29 for "Co-processing of copper sulphide concentrate with nickel laterite ore" (Canadian Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,686, issued on April 29, was assigned to Sherritt International Corp. (Fort Saskatchewan, Canada).

"Co-processing of copper sulphide concentrate with nickel laterite ore" was invented by Jan Smit (St Albert, Canada), Preston Carl Holloway (Edmonton, Canada), Michael Joseph Collins (Fort Saskatchewan, Canada), Alain Tshilombo (Edmonton, Canada) and Nigel Edwin Tuffrey (Rossland, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process to recover nickel, cobalt and copper by co-processing copper-containing sulphide concentrate feed containing one or more of arsenic, antimony, and bismuth, and laterite ore feed containing nickel and cobalt by pre...