RECOVERY PROCESS FOR WASTES CONTAINING HEXAVALENT CHROMIUM

Details for Australian Patent Application No. 2003209349 (hide)

Owner STURGILL, Jeffery, Allen SWARTZBAUGH, Joseph, Thomas UNIVERSITY OF DAYTON PHELPS, Andrew, Wells

Inventors SWARTZBAUGH, Joseph, Thomas; STURGILL, Jeffery, Allen; PHELPS, Andrew, Wells

Pub. Number AU-A-2003209349

PCT Number PCT/US03/02079

PCT Pub. Number WO2003/064331

Priority 10/066,533 31.01.02 US

Filing date 22 January 2003

Wipo publication date 2 September 2003

International Classifications

C02F 009/00 Multistep treatment of water, waste water or sewage

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

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 10/066,533 31.01.02 US

18 September 2003 Application Open to Public Inspection

  Published as AU-A-2003209349

14 October 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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