Peroxide/oxygen/alkali pulp bleaching

Details for Australian Patent Application No. 2005229652 (hide)

Owner Carter Holt Harvey Limited

Inventors Lysaght, Adrian Richard; Clark, Thomas Alan

Agent AJ PARK

Pub. Number AU-A-2005229652

Priority 536654 17.11.04 NZ

Filing date 1 November 2005

Wipo publication date 1 June 2006

International Classifications

D21C 9/16 (2006.01) After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters - with per compounds

D21H 11/00 (2006.01)

D21H 21/00 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

17 November 2005 Complete Application Filed

  Priority application(s): 536654 17.11.04 NZ

1 June 2006 Application Open to Public Inspection

  Published as AU-A-2005229652

18 December 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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