Aqueous elutriations of fine-particled filling materials, methods for the production thereof and use thereof in the production of paper containing filling materials

Details for Australian Patent Application No. 2004226254 (hide)

Owner BASF Aktiengesellschaft

Inventors Baumann, Peter; Braig, Volker; Dupuis, Jacques; Neutzner, Josef; Hahnle, Hans-Joachim; Blum, Rainer; Wendker, Martin; Esser, Anton

Agent Watermark

Pub. Number AU-A-2004226254

PCT Pub. Number WO2004/087818

Priority 103 15 363.2 03.04.03 DE

Filing date 30 March 2004

Wipo publication date 14 October 2004

International Classifications

C09C 003/10 Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties - Treatment with macromolecular organic compounds

C09C 001/02 Treatment of specific inorganic materials other than fibrous fillers - Compounds of alkaline earth metals or magnesium

Event Publications

20 October 2005 PCT application entered the National Phase

  PCT publication WO2004/087818 Priority application(s): WO2004/087818

16 August 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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