METHOD AND SYSTEM FOR THE TREATMENT OF PULP PRIOR TO OZONE BLEACHING

Details for Australian Patent Application No. 2002358366 (hide)

Owner METSO PAPER, INC

Inventors BOKSTROM, Monica; ASTROM, Per

Pub. Number AU-A-2002358366

PCT Number PCT/SE02/02229

PCT Pub. Number WO2003/048448

Priority 0104081-5 05.12.01 SE

Filing date 4 December 2002

Wipo publication date 17 June 2003

International Classifications

D21C 009/153 After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

D21C 009/10 After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters - Bleaching

D21C 007/06 Digesters

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 0104081-5 05.12.01 SE

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002358366

19 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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