Process and Device for Aerating a Liquid with Gas

Details for Australian Patent Application No. 2002300792 (hide)

Owner Andritz AG

Inventors Gabl, Helmuth; Scherzinger, Bernhard

Agent Spruson & Ferguson

Pub. Number AU-A-2002300792

Priority 1458/2001 17.09.01 AT

Filing date 29 August 2002

Wipo publication date 12 June 2003

International Classifications

C02F 001/24 Treatment of water, waste water, or sewage - by flotation

B03D 001/24 Flotation

B01F 003/04 Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed - gases or vapours with liquids

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-A-2002300792

23 February 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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