OPTICAL DATA CARRIER CONTAINING A XANTHENE DYE IN THE INFORMATION LAYER THEREOF AS A LIGHT-ABSORBING COMPOUND

Details for Australian Patent Application No. 2002254961 (hide)

Owner BAYER AKTIENGESELLSCHAFT

Inventors LANDENBERGER, Peter; OSER, Rafael; SOMMERMANN, Thomas; STAWITZ, Josef-Walter; BIERINGER, Thomas; BERNETH, Horst; BRUDER, Friedrich-Karl; HAESE, Wilfried; HAGEN, Rainer; HASSENRUCK, Karin; KOSTROMINE, Serguei

Pub. Number AU-A-2002254961

PCT Pub. Number WO2002/077984

Priority 101 17 462.4 06.04.01 DE; 101 36 064.9 25.07.01 DE; 101 36 063.0 25.07.01 DE; 102 02 571.1 24.01.02 DE; 101 15 227.2 28.03.01 DE

Filing date 20 March 2002

Wipo publication date 8 October 2002

International Classifications

G11B 007/24 Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power - Record carriers characterised by the selection of the material or by the structure or form

C09B 011/28 Diaryl- or triarylmethane dyes

C07D 311/82 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings

C07D 213/20 Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002254961

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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