Effective reductive bleaching of mineral slurries

Details for Australian Patent Application No. 2005227634 (hide)

Owner Imerys Pigments, Inc.

Inventors Yuan, Jun; Pruett, Robert J.; Powell, Larry C.

Agent Griffith Hack

Pub. Number AU-A-2005227634

PCT Pub. Number WO2005/095709

Priority 60/555,401 23.03.04 US

Filing date 22 March 2005

Wipo publication date 13 October 2005

International Classifications

C09C 3/06 (2006.01) Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties - Treatment with inorganic compounds

C09D 17/00 (2006.01) Pigment pastes, e.g. for mixing in paints

D21H 19/44 (2006.01) Coated paper

Event Publications

16 November 2006 PCT application entered the National Phase

  PCT publication WO2005/095709 Priority application(s): WO2005/095709

24 September 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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