HIGH PURITY QUARTZ POWDER AND METHOD FOR PRODUCTION THEREOF, AND FORMED GLASS ARTICLE FROM THE POWDER

Details for Australian Patent Application No. 2002318748 (hide)

Owner MITSUBISHI CHEMICAL CORPORATION

Inventors YAMAGUCHI, Takashi; MORI, Yutaka; KATSURO, Yoshio; YAMAHARA, Keiji

Pub. Number AU-A-2002318748

PCT Number PCT/JP02/07322

PCT Pub. Number WO2003/008332

Priority 2001-218997 19.07.01 JP

Filing date 18 July 2002

Wipo publication date 3 March 2003

International Classifications

C01B 033/18 Silicon

C03B 020/00 Processes specially adapted for the production of quartz or fused silica articles

C03B 008/02 Production of glass by other processes than melting processes - by liquid phase reaction processes

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 2001-218997 19.07.01 JP

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2002318748

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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