DRILLING FLUIDS

Details for Australian Patent Application No. 2002335906 (hide)

Owner COOPERATIEVE VERKOOPEN PRODUCTIEVERENIGING VAN AARDAPPELMEEL EN DERIVATEN AVEBE B.A.

Inventors SIMONIDES, Hylke, Hotze; STAAL, Martinus; HOPMAN, Johannes, Cornelis, Petrus

Pub. Number AU-A-2002335906

PCT Number PCT/NL02/00665

PCT Pub. Number WO2003/035793

Priority 01204095.2 26.10.01 EP

Filing date 21 October 2002

Wipo publication date 6 May 2003

International Classifications

C09K 007/02

E21B 037/06 Methods or apparatus for cleaning boreholes or wells

E21B 033/138 Sealing or packing boreholes or wells - Plastering the borehole wall

C08B 031/00 Preparation of chemical derivatives of starch

Event Publications

20 February 2003 Complete Application Filed

  Priority application(s): 01204095.2 26.10.01 EP

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002335906

15 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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