Aqueous silica-containing composition and process for production of paper

Details for Australian Patent Application No. 2002359217 (hide)

Owner Akzo Nobel N.V.

Inventors Pal, Annika, Viola; Nyander, Johan; Johansson-Vestin, Hans; Nordin, Jan

Agent Griffith Hack

Pub. Number AU-B-2002359217

PCT Number PCT/SE02/02443

PCT Pub. Number WO2003/056100

Priority 01850225.2 21.12.01 EP

Filing date 20 December 2002

Wipo publication date 15 July 2003

Acceptance publication date 24 November 2005

International Classifications

D21H 017/71 Non-fibrous material added to the pulp, characterised by its constitution

D21H 021/10 Non-fibrous material added to the pulp, characterised by its function, form or properties - Retention agents or drainage improvers

D21H 017/68 Non-fibrous material added to the pulp, characterised by its constitution

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 01850225.2 21.12.01 EP

4 September 2003 Application Open to Public Inspection

  Published as AU-B-2002359217

24 November 2005 Application Accepted

  Published as AU-B-2002359217

23 March 2006 Standard Patent Sealed

17 July 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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