SQUARYLIUM DYES AS A LIGHTABSORBING COMPOUND IN THE INFORMATION LAYER OF OPTICAL DATA CARRIERS

Details for Australian Patent Application No. 2003226651 (hide)

Owner BAYER AKTIENGESELLSCHAFT

Inventors HAESE, Wilfried; HASSENRUCK, Karin; KOSTROMINE, Serguei; LANDENBERGER, Peter; SOMMERMANN, Thomas; STAWITZ, JosefWalter; HAGEN, Rainer; OSER, Rafael; KRUGER, Christa, Maria; MEYERFRIEDRICHSEN, Timo; BERNETH, Horst; BRUDER, Friedrich-Karl

Pub. Number AU-A-2003226651

PCT Number PCT/EP03/02789

PCT Pub. Number WO2003/079339

Priority 102 12 199.0 19.03.02 DE; 102 45 581.3 27.09.02 DE

Filing date 18 March 2003

Wipo publication date 29 September 2003

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 047/04 Porphines - Phthalocyanines

C09B 057/00 Other synthetic dyes of known constitution

C07D 207/32 Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 102 12 199.0 19.03.02 DE; 102 45 581.3 27.09.02 DE

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003226651

23 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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