Dispersant coated weighting agents

Details for Australian Patent Application No. 2011202933 (hide)

Owner M-I LLC

Inventors Massam, Jarrod

Agent Pizzeys

Pub. Number AU-B-2011202933

Parent 2007294625

Filing date 20 June 2011

Wipo publication date 7 July 2011

Acceptance publication date 17 November 2011

International Classifications

C09K 8/03 (2006.01) Compositions for drilling of boreholes or wells

C09K 3/00 (2006.01) Materials not provided for elsewhere

C09K 8/02 (2006.01) Compositions for drilling of boreholes or wells - Well-drilling compositions

C22B 43/00 (2006.01) Obtaining mercury

Event Publications

7 July 2011 Application Open to Public Inspection

  Published as AU-B-2011202933

7 July 2011 Complete Application Filed

17 November 2011 Application Accepted

  Published as AU-B-2011202933

15 March 2012 Standard Patent Sealed

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