Borehole treating substance containing ether carboxylic acids

Details for Australian Patent Application No. 2004261718 (hide)

Owner Cognis IP Management GmbH

Inventors Hartmann, Jens; Herzog, Nadja; Behler, Ansgar; Muller, Heinz

Agent Spruson & Ferguson

Pub. Number AU-A-2004261718

PCT Pub. Number WO2005/012455

Priority 103 34 441.1 29.07.03 DE

Filing date 20 July 2004

Wipo publication date 10 February 2005

International Classifications

C09K 8/04 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/32 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

23 February 2006 PCT application entered the National Phase

  PCT publication WO2005/012455 Priority application(s): WO2005/012455

18 October 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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