Dye composition for optical recording media having selected anions
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United States of America Patent
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Sep 14, 1999
Issued Date -
N/A
app pub date -
Jun 2, 1997
filing date -
Nov 8, 1996
priority date (Note) -
Expired
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Abstract
A dye composition for use in optical recording media, comprising at least one cyanine dye having an anion selected from the group consisting of thiocyanate, lactate, hypophosphite, tetracyanonickelate, selenocyanate, trifluromethanesulfonate, ferricyanide, 4-hydroxybutyrate, nitrite, 2-(3',5'-dimethyl-2'-hydroxyphenyl)-2H-benztriazole-4-sulfonate, 1,2-napthoquinone-2-diazide-5-sulfonate and picrate and preferably dissolved in ethyl lactate.
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