OPTICAL RECORDING MEDIUM, METAL COMPLEX COMPOUND AND ORGANIC DYE COMPOUND
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United States of America Patent
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Issued Date -
Feb 26, 2009
app pub date -
Mar 29, 2006
filing date -
Mar 29, 2005
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Abandoned
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Abstract
Means for Solving the Problems: There is provided an optical recording medium with a recoding layer comprising an organic dye compound, wherein the recording layer contains a metal complex compound composed of a pyridone azo compound represented by the following the general formulas [I] to [III] and a divalent ion of metal coordinated to it such as nickel, cobalt, iron, zinc, copper, manganese and the like, wherein the pyridone azo compound contains a 6-hydroxy-2-pyridone structure as a coupling component and isoxazole, 1,2,4-triazole or pyrazole structure as a diazo component.each is independently a hydrogen atom or monovalent functional group.)
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