Essentially insoluble heavy metal sulfide slurry for wastewater treatment

Details for Australian Patent Application No. 2003221911 (hide)

Owner SOUTHERN WATER TREATMENT COMPANY

Inventors Bowers, Gregory S

Agent FB Rice

Pub. Number AU-A-2003221911

PCT Number PCT/US03/11334

PCT Pub. Number WO2003/089378

Priority 10/122,775 15.04.02 US

Filing date 14 April 2003

Wipo publication date 3 November 2003

International Classifications

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

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

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

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 10/122,775 15.04.02 US

11 December 2003 Application Open to Public Inspection

  Published as AU-A-2003221911

2 November 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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