Very low COD unbleached pulp

Details for Australian Patent Application No. 2002309874 (hide)

Owner Weyerhaeuser Company

Inventors Lau, Peter; Reimer, Julie; Wester, Brian; Dennis, Brian; Vrbanac, Michael D.; Bickell, David W.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002309874

PCT Number PCT/US02/15521

PCT Pub. Number WO2003/097929

Filing date 15 May 2002

Wipo publication date 2 December 2003

Acceptance publication date 28 June 2007

International Classifications

D21C 9/00 (2006.01) After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

D21C 9/02 (2006.01) After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters

Event Publications

19 December 2002 Complete Application Filed

29 January 2004 Application Open to Public Inspection

  Published as AU-B-2002309874

28 June 2007 Application Accepted

  Published as AU-B-2002309874

25 October 2007 Standard Patent Sealed

9 December 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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