Dual function cement additive

Details for Australian Patent Application No. 2004270826 (hide)

Owner Schlumberger Technology B.V.

Inventors Komocki, Sylwia; Michaux, Michel

Agent Griffith Hack

Pub. Number AU-B-2004270826

PCT Pub. Number WO2005/024175

Priority 0320938.4 08.09.03 GB

Filing date 25 August 2004

Wipo publication date 17 March 2005

Acceptance publication date 3 September 2009

International Classifications

C04B 28/02 (2006.01) Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements

C04B 22/06 (2006.01) Use of materials as active ingredients

C04B 24/06 (2006.01) Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

C04B 24/18 (2006.01) Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers

C04B 40/00 (2006.01) Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability

C09K 8/467 (2006.01) Compositions for drilling of boreholes or wells

E21B 33/13 (2006.01) Sealing or packing boreholes or wells - Methods or devices for cementing, for plugging holes, crevices, or the like

Event Publications

16 March 2006 PCT application entered the National Phase

  PCT publication WO2005/024175 Priority application(s): WO2005/024175

3 September 2009 Application Accepted

  Published as AU-B-2004270826

24 December 2009 Corrigenda

  Applications Accepted - Name Index Under the name Schlumberger Technology B.V., Application No. 2004270826, under INID (72), add the co-inventor Drochon, Bruno

7 January 2010 Standard Patent Sealed

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