Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates

Details for Australian Patent Application No. 2003273610 (hide)

Owner Xstrata Queensland Ltd

Inventors Hourn, Michael Matthew; Ventura, Rodrigo Ulep; Winborne, David; Willis, John Anthony

Agent Cullen & Co

Pub. Number AU-B-2003273610

PCT Number PCT/AU03/01400

PCT Pub. Number WO2004/042094

Priority 2002952490 06.11.02 AU

Filing date 22 October 2003

Wipo publication date 7 June 2004

Acceptance publication date 15 March 2007

International Classifications

C22B 1/00 (2006.01) Preliminary treatment of ores or scrap

C22B 3/14 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

C22B 11/08 (2006.01) Obtaining noble metals

Event Publications

12 February 2004 Complete Application Filed

  Priority application(s): 2002952490 06.11.02 AU

1 July 2004 Application Open to Public Inspection

  Published as AU-B-2003273610

15 March 2007 Application Accepted

  Published as AU-B-2003273610

12 July 2007 Standard Patent Sealed

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