A method for the removal of calcium from a zinc process sulfate solution

Details for Australian Patent Application No. 2002237341 (hide)

International Classifications

Event Publications

20 March 2003 Application Open to Public Inspection

Published as AU-B-2002237341

25 January 2007 Application Accepted

Published as AU-B-2002237341

24 May 2007 Standard Patent Sealed

7 October 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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