AN OPTICAL DATA STORAGE MEDIUM CONTAINING A DIAZA HEMICYANINE DYE AS THE LIGHTABSORBING COMPOUND IN THE INFORMATION LAYER

Details for Australian Patent Application No. 2002257685 (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-2002257685

PCT Pub. Number WO2002/089128

Priority 101 15 227.2 28.03.01 DE; 101 36 064.9 25.07.01 DE; 01130527.3 21.12.01 EP; 02003812.1 20.02.02 EP

Filing date 20 March 2002

Wipo publication date 11 November 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 044/18 Azo dyes containing onium groups

C09B 044/20 Azo dyes containing onium groups

C09B 029/033 Monoazo dyes prepared by diazotising and coupling

C09B 029/36 Monoazo dyes prepared by diazotising and coupling

C09B 023/16 Quinoline or polymethine dyes

C09B 044/10 Azo dyes containing onium groups

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002257685

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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