Metallized azo thioether dyes
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United States of America Patent
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Sep 10, 2002
Grant Date -
N/A
app pub date -
May 26, 1998
filing date -
May 26, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Metallized azo thioether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an thioether substituent ortho to the azo group but does not have electron withdrawing substituents on the phenyl nucleus. The dyes are useful in optical recording elements.
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