Materials for high density optical recording media

Details Materials for high density optical recording media Materials for high density optical recording media

2004-03-31

2008-12-23

Bos, Steven (Department: 1793)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C564S084000, C534S554000

Reexamination Certificate

active

07468201

ABSTRACT:
Materials for optical recording media are disclosed. Specifically, the materials are metal chelate compounds of azo dyes, which are formed from sulfamoylated m-diaminobenzene compounds and benzene ring-containing azo compounds. Further, the invention provides an optical recording medium, characterized in that said metal chelate compounds of azo dyes are employed onto the optical recording medium to form a recording layer. The invention also discloses a process for the production of an optical recording medium.

REFERENCES:
patent: 6168843 (2001-01-01), Kambe et al.
patent: 6242067 (2001-06-01), Kambe et al.
patent: 6284877 (2001-09-01), Okamoto et al.

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