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.

Date of Patent:
Dec. 08, 2015

Filed:

Aug. 01, 2013
Applicant:

Nichromet Extraction Inc., Montreal, CA;

Inventors:

Jean-Marc Lalancette, Sherbrooke, CA;

Bertrand Dubreuil, Trois-Rivières, CA;

David Lemieux, Thetford Mines, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 3/44 (2006.01); C22B 3/22 (2006.01); C22B 3/00 (2006.01); C22B 3/04 (2006.01);
U.S. Cl.
CPC ...
C22B 11/04 (2013.01); C22B 3/045 (2013.01); C22B 3/22 (2013.01); C22B 3/44 (2013.01);
Abstract

A method for recovering precious metal from an acidic pregnant solution resulting from halogen or hypohalite leaching of an ore, comprising lowering the ORP of the pregnant leachate with a reducing agent in the presence of slurried non-carboneous particles. The precious metal deposits on the surfaces of the particles and a barren solution comprising substantially all the halogen values of the pregnant solution in the form of sodium chloride, sodium bromide or hypohalites is recovered.


Find Patent Forward Citations

Lalancette, Jean-Marc. (2015). Method and system for gold recovery (U.S. Patent No. 9206491). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9206491

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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