Solvent extraction of impurities from concentrated metal sulphate solutions

Details for Australian Patent Application No. 2001273737 (hide)

Owner WMC Resources Ltd

Inventors Chamberlain, Anthony; O'Callaghan, John

Agent Griffith Hack

Pub. Number AU-B-2001273737

PCT Pub. Number WO01/96621

Priority PQ8127 13.06.00 AU

Filing date 13 June 2001

Wipo publication date 24 December 2001

Acceptance publication date 9 June 2005

International Classifications

C22B 003/26 Extraction of metal compounds from ores or concentrates by wet processes

C22B 023/00 Obtaining nickel or cobalt

C22B 019/00 Obtaining zinc or zinc oxide

C22B 003/40 Extraction of metal compounds from ores or concentrates by wet processes

C22B 003/38 Extraction of metal compounds from ores or concentrates by wet processes

Event Publications

15 May 2003 Section 223 Application Allowed

  WMC Resources Ltd The time in which to enter the National Phase has been extended to 11.04.2003 . Address for service in Australia - Griffith Hack GPO Box 1285K MELBOURNE VIC 3001

9 June 2005 Application Accepted

  Published as AU-B-2001273737

6 October 2005 Standard Patent Sealed

20 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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