Downhole drilling compositions and methods of preparation

Details for Australian Patent Application No. 2006272407 (hide)

International Classifications

Event Publications

7 February 2008 PCT application entered the National Phase

PCT publication WO2007/009231 Priority application(s): WO2007/009231

2 April 2009 Assignment before Grant

Concord Drilling Fluids Ltd. The application has been assigned to Engineered Drilling Solutions Inc.

9 August 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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