Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent

Details for Australian Patent Application No. 2003298373 (hide)

Owner OTV SA

Inventors Gaid, Abdelkader; Uyttewaal, Mickael; Tazi-Pain, Annie

Agent Patent Attorney Services

Pub. Number AU-B-2003298373

PCT Number PCT/FR2003/0034

PCT Pub. Number WO2004/048277

Priority 02/14697 22.11.02 FR

Filing date 21 November 2003

Wipo publication date 18 June 2004

Acceptance publication date 16 October 2008

International Classifications

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

C02F 9/00 (2006.01) Multistep treatment of water, waste water or sewage

C02F 9/02 (2006.01) Multistep treatment of water, waste water or sewage - involving a separation step

C02F 9/14 (2006.01) Multistep treatment of water, waste water or sewage - at least one step being a biological treatment

C02F 1/00 (2006.01) Treatment of water, waste water, or sewage

C02F 1/28 (2006.01) Treatment of water, waste water, or sewage - by sorption

C02F 1/38 (2006.01) Treatment of water, waste water, or sewage - by centrifugal separation

C02F 1/52 (2006.01) Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 02/14697 22.11.02 FR

22 July 2004 Application Open to Public Inspection

  Published as AU-B-2003298373

16 October 2008 Application Accepted

  Published as AU-B-2003298373

12 February 2009 Standard Patent Sealed

3 November 2011 Alteration of Name

  The name of the patentee has been altered to Veolia Water Solutions & Technologies Support 2004

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