Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications

Details for Australian Patent Application No. 2009248184 (hide)

Owner Akzo Nobel N.V.

Inventors James, Alan Duncan; Yu, Hua; Himmel, Thomas William; Staley, Jon. B.; Steichen, Dale Stanley

Agent Spruson & Ferguson

Pub. Number AU-A-2009248184

PCT Pub. Number WO2009/138383

Priority 08159130.7 26.06.08 EP; 61/053,493 15.05.08 US

Filing date 12 May 2009

Wipo publication date 19 November 2009

International Classifications

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

B01F 17/00 (2006.01) Use of substances as emulsifying, wetting, dispersing, or foam-producing agents

C08G 73/02 (2006.01) Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups

Event Publications

13 January 2011 PCT application entered the National Phase

  PCT publication WO2009/138383 Priority application(s): WO2009/138383

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