Water-soluble phenylazo naphthylazonaphthyl compounds containing a dichloro-s-triazinyl amino group, suitable as dyes
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United States of America Patent
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Oct 11, 1994
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N/A
app pub date -
Jun 24, 1993
filing date -
Jun 25, 1992
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Abstract
Water-soluble disazo compounds, a process for their preparation and their use as dyes. Disazo compounds are described which have the formula (1) given and defined below and are used in their function as fiber-reactive dyes for the dyeing of hydroxy- and/or carboxamido-containing fiber material, such as cellulose fiber materials and synthetic and natural polyamide fiber materials, such as wool. They produce brown dyeings and prints having high color strength and good color fastness by the application and fixation methods customary for fiber-reactive dyes ##STR1## in which R is hydrogen or sulfo, R.sup.1 is hydroxy, methoxy or ethoxy, is hydrogen or an alkali metal and the non-fixed sulfo group in the naphthylene radical is in the 6 or 7 position.
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