A solvent extraction process

Details for Australian Patent Application No. 2004231117 (hide)

Owner WMC Resources Ltd

Inventors Day, Bruce Edward; Wroblewski, Christopher John; Hearn, Graham L.; Wedderburn, Bruce

Agent Griffith Hack

Pub. Number AU-B-2004231117

PCT Pub. Number WO2004/092426

Priority 2003901860 16.04.03 AU

Filing date 16 April 2004

Wipo publication date 28 October 2004

Acceptance publication date 12 March 2009

International Classifications

C22B 3/26 (2006.01) Extraction of metal compounds from ores or concentrates by wet processes

B01D 11/04 (2006.01) Solvent extraction - of solutions which are liquid

Event Publications

10 November 2005 PCT application entered the National Phase

  PCT publication WO2004/092426 Priority application(s): WO2004/092426

12 March 2009 Application Accepted

  Published as AU-B-2004231117

9 July 2009 Standard Patent Sealed

10 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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