Thinners for invert emulsions

Details for Australian Patent Application No. 2001226086 (hide)

Owner Cognis Deutschland GmbH & Co.KG Halliburton Energy Services, Inc.

Inventors Kirsner, Jeffrey, P.; Burrows, Kimberly; Muller, Heinz

Agent Callinan

Pub. Number AU-B-2001226086

PCT Pub. Number WO2002/053676

Filing date 29 December 2000

Wipo publication date 16 July 2002

Acceptance publication date 28 June 2007

International Classifications

C09K 8/36 (2006.01) Compositions for drilling of boreholes or wells

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-B-2001226086

28 June 2007 Application Accepted

  Published as AU-B-2001226086

1 November 2007 Standard Patent Sealed

16 February 2012 Assignment Registered

  Cognis Deutschland GmbH & Co.KG; Halliburton Energy Services, Inc. The patent has been assigned to Halliburton Energy Services, Inc.; Emery Oleochemicals GmbH

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