Process for producing furfural, formic acid and acetic acid from spent pulpcooking liquor

Details for Australian Patent Application No. 2003212395 (hide)

Owner Chempolis Oy

Inventors Rousu, Esa; Anttila, Juha; Tanskanen, Juha; Rousu, Pasi

Agent Griffith Hack

Pub. Number AU-B-2003212395

PCT Number PCT/FI03/00149

PCT Pub. Number WO2003/074781

Priority 20020401 01.03.02 FI

Filing date 28 February 2003

Wipo publication date 16 September 2003

Acceptance publication date 10 January 2008

International Classifications

D21C 11/00 (2006.01) Regeneration of pulp liquors

B01D 3/00 (2006.01) Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

D21C 11/10 (2006.01) Regeneration of pulp liquors

D21C 3/00 (2006.01) Pulping cellulose-containing materials

D21C 3/20 (2006.01) Pulping cellulose-containing materials

Event Publications

24 July 2003 Complete Application Filed

  Priority application(s): 20020401 01.03.02 FI

23 October 2003 Application Open to Public Inspection

  Published as AU-B-2003212395

10 January 2008 Application Accepted

  Published as AU-B-2003212395

8 May 2008 Standard Patent Sealed

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