Treatment of base metal concentrate by a two-step bioleaching process

Details for Australian Patent Application No. 2004239345 (hide)

Owner BHP Billiton SA Limited

Inventors Harvey, Paul; Bowker, Clint

Agent FB Rice

Pub. Number AU-B-2004239345

PCT Pub. Number WO2004/101834

Priority 2003/3621 19.05.03 ZA

Filing date 15 May 2004

Wipo publication date 25 November 2004

Acceptance publication date 25 September 2008

International Classifications

C22B 3/18 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 3/20 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 11/00 (2006.01) Obtaining noble metals

C22B 15/00 (2006.01) Obtaining copper

Event Publications

8 December 2005 PCT application entered the National Phase

  PCT publication WO2004/101834 Priority application(s): WO2004/101834

25 September 2008 Application Accepted

  Published as AU-B-2004239345

22 January 2009 Standard Patent Sealed

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