Hydrophobically modified fluid loss additives and viscosifier products

Details for Australian Patent Application No. 2007350922 (hide)

Owner M-I LLC

Inventors Ballard, David Antony

Agent Pizzeys

Pub. Number AU-B-2007350922

PCT Pub. Number WO2008/123888

Priority 60/804,354 09.06.06 US; 11/760,543 08.06.07 US

Filing date 11 June 2007

Wipo publication date 16 October 2008

Acceptance publication date 3 February 2011

International Classifications

C09K 8/035 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

8 January 2009 PCT application entered the National Phase

  PCT publication WO2008/123888 Priority application(s): WO2008/123888

27 January 2011 Amendment Made

  The nature of the amendment is: Amend inventor name from Ballard, David Anthony to Ballard, David Antony

3 February 2011 Application Accepted

  Published as AU-B-2007350922

2 June 2011 Standard Patent Sealed

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