Procedure to leach copper concentrates, under pressure and at ambient temperature, by forming a reactive gel in a sulfate-chloride medium

Details for Australian Patent Application No. 2004240193 (hide)

Owner Minera Michilla S.A.

Inventors Alfaro, Freddy Aroca; Faine, Jaime Rauld; Gutierrez, Abraham Backit; Jullian, Raul Montealegre

Agent Davies Collison Cave

Pub. Number AU-B-2004240193

Priority 0143-04 29.01.04 CL

Filing date 16 December 2004

Wipo publication date 18 August 2005

Acceptance publication date 6 November 2008

International Classifications

C22B 3/08 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/04 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 15/00 (2006.01) Obtaining copper

C22B 15/14 (2006.01) Obtaining copper

Event Publications

6 January 2005 Complete Application Filed

  Priority application(s): 0143-04 29.01.04 CL

18 August 2005 Application Open to Public Inspection

  Published as AU-B-2004240193

6 November 2008 Application Accepted

  Published as AU-B-2004240193

5 March 2009 Standard Patent Sealed

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