CRYSTALLIZED GLASS FOR OPTICAL FILTER SUBSTRATE AND OPTICAL FILTER

Details for Australian Patent Application No. 2002239037 (hide)

Owner ASAHI GLASS COMPANY, LIMITED

Inventors KOBAYASHI, Tomoyuki; MAEDA, Kei; HIROSE, Motoyuki

Pub. Number AU-A-2002239037

PCT Pub. Number WO2002/096818

Priority 2001-160126 29.05.01 JP

Filing date 22 March 2002

Wipo publication date 9 December 2002

International Classifications

C03C 010/10 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

G02B 001/02 Optical elements characterised by the material of which they are made

G02B 005/28 Optical elements other than lenses - Interference filters

Event Publications

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002239037

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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