DOPED PRECIPITATE SILICA SUSPENSIONS WITH LOWPARTICLE-SIZE DISTRIBUTION AND THEIR USE A PAPER FILLER

Details for Australian Patent Application No. 2002226508 (hide)

Owner RHODIA CHIMIE

Inventors LAFON, Marie-Odile; EYCHENNEBARON, Christophe

Pub. Number AU-A-2002226508

PCT Pub. Number WO2002/051750

Priority 00/17119 27.12.00 FR

Filing date 24 December 2001

Wipo publication date 8 July 2002

International Classifications

C01B 033/193 Silicon

D21H 017/69 Non-fibrous material added to the pulp, characterised by its constitution

D21H 021/52 Non-fibrous material added to the pulp, characterised by its function, form or properties

C09C 001/30 Treatment of specific inorganic materials other than fibrous fillers

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2002226508

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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