Method of making drilling fluids containing microbubbles

Details for Australian Patent Application No. 2008330115 (hide)

International Classifications

Event Publications

20 May 2010 PCT application entered the National Phase

PCT publication WO2009/070320 Priority application(s): WO2009/070320

17 June 2010 Amendment Made

The nature of the amendment is: Amend the name of the inventor to read Smith, Kevin W. and Green, Taylor C.

28 April 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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