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. 03, 2009
Filed:
Oct. 28, 2005
John O. Marsden, Phoenix, AZ (US);
Susan R. Brewer, Legal Representative, Park City, UT (US);
Joanna M. Robertson, Thatcher, AZ (US);
David R. Baughman, Golden, CO (US);
Philip Thompson, West Valley City, UT (US);
Wayne W. Hazen, Lakewood, CO (US);
Christel M. A. Bemelmans, Indian Hills, CO (US);
John O. Marsden, Phoenix, AZ (US);
Susan R. Brewer, legal representative, Park City, UT (US);
Joanna M. Robertson, Thatcher, AZ (US);
David R. Baughman, Golden, CO (US);
Philip Thompson, West Valley City, UT (US);
Wayne W. Hazen, Lakewood, CO (US);
Christel M. A. Bemelmans, Indian Hills, CO (US);
Phelps Dodge Corporation, Phoenix, AZ (US);
Abstract
The present invention relates generally to a process for recovering copper and/or other metal values from a metal-bearing ore, concentrate, or other metal-bearing material using pressure leaching and direct electrowinning. More particularly, the present invention relates to a substantially acid-autogenous process for recovering copper from chalcopyrite-containing ore using pressure leaching and direct electrowinning in combination with a leaching, solvent/solution extraction and electrowinning operation.