METHOD FOR VACUUM REFINING ALKALI-BOROSILICATE GLASS MELTS

Details for Australian Patent Application No. 2002316976 (hide)

Owner CARL-ZEISS-STIFTUNG TRADING AS SCHOTT GLAS

Inventors GREULICH, Norbert; SPRENGER, Andreas; KASPRZIK, Holger

Pub. Number AU-A-2002316976

PCT Number PCT/EP02/06477

PCT Pub. Number WO2003/106361

Filing date 13 June 2002

Wipo publication date 31 December 2003

International Classifications

C03C 003/091 Glass compositions

C03B 005/225 Melting in furnaces

Event Publications

9 January 2003 Complete Application Filed

26 February 2004 Application Open to Public Inspection

  Published as AU-A-2002316976

3 March 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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