Phthalimidyl azo dyes, process for the preparation thereof and the use thereof

The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R 1 is hydrogen, methyl or -NHCO-C 1 -C 4 alkyl, R 2 is C 1 -C 4 alkyl substituted by C 1 -C 4 alkoxy and R 1 has, independently of R 2 , any of the meanings of R 2 , and to the process for the preparation thereof...

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Bibliographic Details
Main Authors Clement, Antoine, Wilhelm, Jean-Claude, Arquint, Alfons, Lauk, Urs
Format Patent
LanguageEnglish
Published 17.06.2004
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Summary:The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R 1 is hydrogen, methyl or -NHCO-C 1 -C 4 alkyl, R 2 is C 1 -C 4 alkyl substituted by C 1 -C 4 alkoxy and R 1 has, independently of R 2 , any of the meanings of R 2 , and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, especially textile materials. 1