Method for reducing the surface of silicon dioxide

Details for Australian Patent Application No. 2001259927 (hide)

Owner Okopharm Forschungs-Und Entwicklungs-GmbH

Inventors Fuchs, Norbert; Kossler, Peter; Ritzer, Stefan; Ehrenberger, Michael; Bren, Eugen; Trofimov, Aleksander; Kaznacheev, Vlail Petrovic

Agent Wrays

Pub. Number AU-B-2001259927

PCT Pub. Number WO01/85852

Priority 818/2000 10.05.00 AT

Filing date 9 May 2001

Wipo publication date 20 November 2001

Acceptance publication date 24 February 2005

International Classifications

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

C01B 033/18 Silicon

Event Publications

24 February 2005 Application Accepted

  Published as AU-B-2001259927

23 June 2005 Standard Patent Sealed

11 January 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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