A FILTRATION METHOD AND APPARATUS

Details for Australian Patent Application No. 2002360929 (hide)

Owner DANMARKS TEKNISKE UNIVERSITET

Inventors HANSEN, Preben, Boje; STUBBE, Peter; BIRCH, Hanne; SORENSEN, Kirsten, Gronning

Pub. Number AU-A-2002360929

PCT Number PCT/DK02/00908

PCT Pub. Number WO2003/055570

Priority 60/349,974 18.01.02 US; PA 2002 01354 13.09.02 DK; 60/411,187 16.09.02 US; PA 2001 01967 28.12.01 DK

Filing date 23 December 2002

Wipo publication date 15 July 2003

International Classifications

B01D 033/64 Filters with filtering elements which move during the filtering operation

D21C 009/18 After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

C02F 011/12 Treatment of sludge - by de-watering, drying, or thickening

D21C 009/06 After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 60/349,974 18.01.02 US; PA 2002 01354 13.09.02 DK; 60/411,187 16.09.02 US; PA 2001 01967 28.12.01 DK

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002360929

16 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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