Solvent extraction mixture comprising substituted imidazole or benzimidazole for the separation of groups of base metals

Details for Australian Patent Application No. 2002316765 (hide)

International Classifications

Event Publications

9 January 2003 Complete Application Filed

Priority application(s): 01/4794 13.06.01 ZA

15 May 2003 Application Open to Public Inspection

Published as AU-B-2002316765

22 January 2004 Change of Name(s) of Applicant(s), Section 104

Billiton SA Limited The name of the applicant has been changed to BHP Billiton SA Limited 2003

5 April 2007 Application Accepted

Published as AU-B-2002316765

2 August 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

18 October 2007 Section 223 Application Allowed

BHP Billiton SA Limited The time in which to pay the acceptance fee has been extended to 05 Sep 2007. Address for service in Australia - A.P.T. Patent and Trade Mark Attorneys PO Box 222 Mitcham SA 5062

18 October 2007 Standard Patent Sealed

6 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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