Azo dyes, their production and use
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United States of America Patent
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Oct 12, 1999
Issued Date -
N/A
app pub date -
Oct 8, 1997
filing date -
Mar 10, 1995
priority date (Note) -
Expired
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Abstract
Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.
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