Very low COD unbleached pulp

Details for Australian Patent Application No. 2003262433 (hide)

Owner Weyerhaeuser Company

Inventors Dennis, Brian E; Wester, Brian; Vrbanac, Michael David; Bickell, David W; Lau, Peter K; Reimer, Julie A

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2003262433

Priority 10/330,529 26.12.02 US

Filing date 20 November 2003

Wipo publication date 15 July 2004

Acceptance publication date 11 June 2009

International Classifications

D21C 3/02 (2006.01) Pulping cellulose-containing materials

C04B 18/24 (2006.01) Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone

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

4 December 2003 Complete Application Filed

  Priority application(s): 10/330,529 26.12.02 US

15 July 2004 Application Open to Public Inspection

  Published as AU-B-2003262433

11 June 2009 Application Accepted

  Published as AU-B-2003262433

8 October 2009 Standard Patent Sealed

16 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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