Method for treatment of sludge or wastewater

Details for Australian Patent Application No. 2007239714 (hide)

Owner Dia-Nitrix Co., Ltd.

Inventors Komido, Toshiaki; Akimoto, Masahiro

Agent Shelston IP

Pub. Number AU-A-2007239714

PCT Pub. Number WO2007/119720

Priority 2006-109626 12.04.06 JP

Filing date 10 April 2007

Wipo publication date 25 October 2007

International Classifications

C02F 11/14 (2006.01) Treatment of sludge - with addition of chemical agents

B01D 21/01 (2006.01) Separation of suspended solid particles from liquids by sedimentation - using flocculating agents

C02F 1/56 (2006.01) Treatment of water, waste water, or sewage

Event Publications

13 November 2008 PCT application entered the National Phase

  PCT publication WO2007/119720 Priority application(s): WO2007/119720

10 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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