Single Vessel Reactor System for Hydrolysis and Digestion of Wood Chips with Chemical Enhanced Wash

Details for Australian Patent Application No. 2008202069 (hide)

Owner Andritz Inc.

Inventors Cann, William J.; Kirov, Ventzislav; Stromberg, C. Bertil; Shin, Nam Hee

Agent Cullens

Pub. Number AU-B-2008202069

Priority 12/114,881 05.05.08 US; 60/939,730 23.05.07 US

Filing date 9 May 2008

Wipo publication date 11 December 2008

Acceptance publication date 3 May 2012

International Classifications

D21C 7/00 (2006.01) Digesters

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

D21C 3/22 (2006.01) Pulping cellulose-containing materials

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

Event Publications

29 May 2008 Complete Application Filed

  Priority application(s): 12/114,881 05.05.08 US; 60/939,730 23.05.07 US

11 December 2008 Application Open to Public Inspection

  Published as AU-B-2008202069

3 May 2012 Application Accepted

  Published as AU-B-2008202069

30 August 2012 Standard Patent Sealed

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