DUAL-CELL MECHANICAL FLOTATION SYSTEM WITH INTERMITTENT SKIMMING

Details for Australian Patent Application No. 2002340408 (hide)

Owner PETRECO INTERNATIONAL LIMITED

Inventors STACY, Melvin; TOLMIE, Kenneth, C.; CHEN, James, C., T.

Pub. Number AU-A-2002340408

PCT Number PCT/US02/35757

PCT Pub. Number WO2005/002733

Filing date 7 November 2002

Wipo publication date 21 January 2005

International Classifications

B03D 001/16 Flotation

B01D 017/028 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

B01D 017/12 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

B03D 001/02 Flotation

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

B03B 013/00 Control arrangements specially adapted for wet- separating apparatus or for dressing plant, using physical effects

B01D 017/035 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

B01D 017/032 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion

Event Publications

27 February 2003 Complete Application Filed

3 March 2005 Application Open to Public Inspection

  Published as AU-A-2002340408

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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