Novel compounds and method for generating a highly efficient membrane in water-based drilling fluids
Details for Australian Patent Application No. 2001226110 (hide)
International Classifications
Event Publications
23 January 2003 Application Open to Public Inspection
Published as AU-B-2001226110
27 April 2006 Application Accepted
Published as AU-B-2001226110
24 August 2006 Standard Patent Sealed
6 September 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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