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:
May. 24, 2011
Filed:
Jun. 01, 2009
Applicants:
Rong Yu Wan, Highlands Ranch, CO (US);
K. Marc Levier, Englewood, CO (US);
Inventors:
Rong Yu Wan, Highlands Ranch, CO (US);
K. Marc LeVier, Englewood, CO (US);
Assignee:
Newmont USA Limited, Denver, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Mineral materials comprising copper and precious metal are subjected to an acidic leach of the copper followed by an acidic thiocyanate leach of the precious metal.