The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2026
Filed:
Apr. 15, 2021
Applicant:
Glencore Technology Pty Limited, Brisbane, AU;
Inventor:
Paul Voigt, Brisbane, AU;
Assignee:
Glencore Technology Pty Limited, Brisbane, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 11/00 (2006.01); C22B 3/04 (2006.01); C22B 3/44 (2006.01);
U.S. Cl.
CPC ...
C22B 11/04 (2013.01); C22B 3/04 (2013.01); C22B 3/44 (2013.01);
Abstract
A process for treating minerals containing metal sulphide and a precious metal, the process comprising fine grinding the minerals and subjecting the minerals to a first leaching step conducted under oxidising conditions at a pH of from 5 to 7, and subjecting a pulp or suspension or solid residue from the first leaching step to a second leaching step conducted under oxidising conditions at a pH of at least 9.0.