PURIFICATION AGENT FOR WASTEWATER AND SLUDGE WATER

Details for Australian Patent Application No. 2003302081 (hide)

Owner K.K. YSD

Inventors YOSHIDA, Tadahiro; YOSHIDA, Yutaka; YOSHIDA, Yumi; OGAKI, Kihachi

Pub. Number AU-A-2003302081

PCT Number PCT/JP2003/0148

PCT Pub. Number WO2004/045740

Priority PCT/JP02/12144 21.11.02 JP

Filing date 20 November 2003

Wipo publication date 15 June 2004

International Classifications

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

C02F 011/14 Treatment of sludge - with addition of chemical agents

C02F 001/58 Treatment of water, waste water, or sewage - by removing specified dissolved compounds

C02F 001/62 Treatment of water, waste water, or sewage - Heavy metal compounds

Event Publications

8 July 2004 Complete Application Filed

  Priority application(s): PCT/JP02/12144 21.11.02 JP

15 July 2004 Application Open to Public Inspection

  Published as AU-A-2003302081

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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