Integrated process for simultaneous beneficiation, leaching and dewatering of a kaolin clay suspension

Details for Australian Patent Application No. 2002323682 (hide)

Owner Imerys Pigments, Inc.

Inventors Pruett, Robert J.; Golley, Christopher R. L.; Garska, Michael J.; Yuan, Jun

Agent Spruson & Ferguson

Pub. Number AU-B-2002323682

PCT Number PCT/US02/28837

PCT Pub. Number WO2003/024888

Priority 10/214,359 08.08.02 US; 60/318,877 14.09.01 US

Filing date 12 September 2002

Wipo publication date 1 April 2003

Acceptance publication date 13 December 2007

International Classifications

C09C 1/42 (2006.01) Treatment of specific inorganic materials other than fibrous fillers

B03D 3/06 (2006.01) Differential sedimentation

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 10/214,359 08.08.02 US; 60/318,877 14.09.01 US

5 June 2003 Application Open to Public Inspection

  Published as AU-B-2002323682

13 December 2007 Application Accepted

  Published as AU-B-2002323682

10 April 2008 Standard Patent Sealed

8 April 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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