Method of purifying Fischer-Tropsch derived water

Details for Australian Patent Application No. 2003276163 (hide)

Owner Sasol Technology (Pty) Ltd

Inventors Van Der Walt, Janette; Koper, Edward Ludovicus; Du Plessis, Gert Hendrik; Phillips, Trevor David; Dancuart Kohler, Luis Pablo Fidel; Du Toit, Francois Jacobus

Agent Madderns

Pub. Number AU-B-2003276163

PCT Number PCT/ZA03/00080

PCT Pub. Number WO2003/106346

Priority 2002/4849 18.06.02 ZA; 60/390,689 18.06.02 US

Filing date 18 June 2003

Wipo publication date 31 December 2003

Acceptance publication date 8 January 2009

International Classifications

C02F 3/08 (2006.01) Biological treatment of water, waste water, or sewage - using moving contact bodies

B01D 3/14 (2006.01) Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping - Fractional distillation

C02F 1/04 (2006.01) Treatment of water, waste water, or sewage - by distillation or evaporation

C02F 1/26 (2006.01) Treatment of water, waste water, or sewage - by extraction

C02F 3/12 (2006.01) Biological treatment of water, waste water, or sewage - Activated sludge processes

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

C02F 1/20 (2006.01) Treatment of water, waste water, or sewage - by degassing, i.e. liberation of dissolved gases

C02F 1/24 (2006.01) Treatment of water, waste water, or sewage - by flotation

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 1/40 (2006.01) Treatment of water, waste water, or sewage - Devices for separating or removing fatty or oily substances or similar floating material

C02F 1/42 (2006.01) Treatment of water, waste water, or sewage - by ion-exchange

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

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

C02F 1/66 (2006.01) Treatment of water, waste water, or sewage - by neutralisation

C02F 1/72 (2006.01) Treatment of water, waste water, or sewage - by oxidation

C02F 3/02 (2006.01) Biological treatment of water, waste water, or sewage - Aerobic processes

Event Publications

19 February 2004 Complete Application Filed

  Priority application(s): 2002/4849 18.06.02 ZA; 60/390,689 18.06.02 US

26 February 2004 Application Open to Public Inspection

  Published as AU-B-2003276163

8 January 2009 Application Accepted

  Published as AU-B-2003276163

26 March 2009 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 09 Feb 2009. Address for service in Australia - Madderns Level 1 64 Hindmarsh Sq Adelaide SA 5000

7 May 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

16 July 2009 Section 223 Application Allowed

  Sasol Technology (Pty) Ltd The time in which to pay the acceptance fee has been extended to 08 May 2009. Address for service in Australia - Madderns Level 1 64 Hindmarsh Sq Adelaide SA 5000

23 July 2009 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 09 Feb 2009

23 July 2009 Standard Patent Sealed

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