CARBON DIOXIDE ENHANCED COMPLEX-ADSORPTION PROCESS FOR METAL OR METALLOID REMOVAL FROM WATER

Details for Australian Patent Application No. 2002345977 (hide)

Owner CH2M HILL, INC.

Inventors CHWIRKA, Joseph, Daniel

Pub. Number AU-A-2002345977

PCT Number PCT/US02/20554

PCT Pub. Number WO2003/002462

Priority 60/301,729 28.06.01 US

Filing date 28 June 2002

Wipo publication date 3 March 2003

International Classifications

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

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

Event Publications

6 March 2003 Complete Application Filed

  Priority application(s): 60/301,729 28.06.01 US

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2002345977

18 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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