Method for separating hemicelluloses from a biomass containing hemicelluloses

Details for Australian Patent Application No. 2002238542 (hide)

Owner Rhodia Acetow GmbH

Inventors Kettenbach, Gerhard; Stein, Armin

Agent Shelston IP

Pub. Number AU-B-2002238542

PCT Pub. Number WO2002/075042

Priority 101 09 502.3 28.02.01 DE

Filing date 8 February 2002

Wipo publication date 3 October 2002

Acceptance publication date 2 March 2006

International Classifications

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

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-B-2002238542

2 March 2006 Application Accepted

  Published as AU-B-2002238542

6 July 2006 Standard Patent Sealed

2 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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