CRYSTALLISABLE GLASS AND THE USE THEREOF FOR PRODUCING EXTREMELY SOLID AND BREAKRESISTANT GLASS-CERAMICS HAVING AN EASILY POLISHED SURFACE

Details for Australian Patent Application No. 2003273744 (hide)

Owner CARL-ZEISS-STIFTUNG TRADING AS SCHOTT GLAS

Inventors SPRENGER, Dirk; ZACHAU, Thilo; LIEBALD, Rainer

Pub. Number AU-A-2003273744

PCT Number PCT/DE03/03227

PCT Pub. Number WO2004/031089

Priority 102 45 234.2 27.09.02 DE

Filing date 26 September 2003

Wipo publication date 23 April 2004

International Classifications

C03C 010/04 Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition

C03C 010/08 Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition

C03C 003/062 Glass compositions - with less than 40% silica by weight

C03C 003/068 Glass compositions

Event Publications

12 February 2004 Complete Application Filed

  Priority application(s): 102 45 234.2 27.09.02 DE

27 May 2004 Application Open to Public Inspection

  Published as AU-A-2003273744

14 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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