AZO METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM
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United States of America Patent
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Issued Date -
Mar 24, 2011
app pub date -
May 20, 2009
filing date -
May 30, 2008
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Abandoned
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Abstract
To provide a dye to be used for an optical recording medium excellent in both high speed recording characteristics and reproduction durability.A dye having an azo compound represented by the following formula coordinated to a metal ion:is a hydrocarbon group or a heterocyclic group which may be substituted; and the benzene ring B represents a benzene ring which may have a substituent(s), provided that adjacent substituents in the benzene ring B may be mutually bonded to form a ring.
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