ANOXIC LEACHING OF PRECIOUS METALS WITH THIOSULFATE AND PRECIOUS METAL OXIDANTS

Details for Australian Patent Application No. 2003283641 (hide)

Owner PLACER DOME TECHNICAL SERVICES LIMITED

Inventors BAGHALHA, Morteza

Pub. Number AU-A-2003283641

PCT Number PCT/IB2003/0054

PCT Pub. Number WO2004/106562

Priority 10/448,287 29.05.03 US

Filing date 25 November 2003

Wipo publication date 21 January 2005

International Classifications

C22B 011/00 Obtaining noble metals

C22B 003/04 Extraction of metal compounds from ores or concentrates by wet processes

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 10/448,287 29.05.03 US

10 February 2005 Application Open to Public Inspection

  Published as AU-A-2003283641

16 February 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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