FLOCCULANT FOR TREATING CLEANING WASTEWATER AND CLEANING WASTEWATER TREATMENT EQUIPMENT

Details for Australian Patent Application No. 2003235823 (hide)

Owner DAICEL CHEMICAL INDUSTRIES, LTD.

Inventors HAMADA, Toyozo; NAKATSUKA, Shuji; MIYAZAKI, Yasumitsu

Pub. Number AU-A-2003235823

PCT Number PCT/JP03/05569

PCT Pub. Number WO2004/096407

Filing date 1 May 2003

Wipo publication date 23 November 2004

International Classifications

B01D 021/01 Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

C02F 001/44 Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

C02F 001/52 Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

C02F 001/56 Treatment of water, waste water, or sewage

C02F 001/28 Treatment of water, waste water, or sewage - by sorption

Event Publications

4 September 2003 Complete Application Filed

23 December 2004 Application Open to Public Inspection

  Published as AU-A-2003235823

18 August 2005 Corrigenda

  Applications OPI - Name Index Under the name DAICEL CHEMICAL INDUSTRIES, LTD., Application No. 2003235823, under INID (71) correct the name to read DAICEN MEMBRANE-SYSTEMS LTD.; DAICEL CHEMICAL INDUSTRIES, LTD.

19 January 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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