A process for improving paper strength

Details for Australian Patent Application No. 2007308198 (hide)

Owner BASF SE

Inventors Dogge, Jozef Maria Leonardus; Buwono, Suleman; Reddihough, Gary

Agent Spruson & Ferguson

Pub. Number AU-B-2007308198

PCT Pub. Number WO2008/049748

Priority 06122952.2 25.10.06 EP

Filing date 15 October 2007

Wipo publication date 2 May 2008

Acceptance publication date 23 February 2012

International Classifications

D21H 23/14 (2006.01) Processes or apparatus for adding material to the pulp or to the paper

D21H 17/37 (2006.01) Non-fibrous material added to the pulp, characterised by its constitution

D21H 21/18 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

D21H 21/20 (2006.01) Non-fibrous material added to the pulp, characterised by its function, form or properties

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/049748 Priority application(s): WO2008/049748

29 October 2009 Assignment before Grant

  Ciba Holding Inc. The application has been assigned to BASF SE

23 February 2012 Application Accepted

  Published as AU-B-2007308198

21 June 2012 Standard Patent Sealed

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