Water compatible hydraulic fluids

Details for Australian Patent Application No. 2005248160 (hide)

Owner Schlumberger Technology B.V.

Inventors Zazovsky, Alexander; Lee, Jesse; Fu, Diankui; Salamat, Golchehreh; Zhou, Jian; Del Campo, Christopher

Agent Griffith Hack

Pub. Number AU-A-2005248160

PCT Pub. Number WO2005/116173

Priority 10/709,730 25.05.04 US

Filing date 25 May 2005

Wipo publication date 8 December 2005

International Classifications

C10M 161/00 (2006.01) Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential

Event Publications

14 December 2006 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 21 Nov 2006

4 January 2007 PCT application entered the National Phase

  PCT publication WO2005/116173 Priority application(s): WO2005/116173

24 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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