Mixtures of monoazo dyes
AssigneeHoechst Mitsubishi Kasei Co., Ltd.
InventorUlrich Buhler
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Abstract
The present invention relates to mixtures of monoazo dyes, characterised in that they comprise one or more dyes of the general formula I ##STR1## one or more dyes of the general formula II ##STR2## and one or more dyes of the general formula III ##STR3## in which R.sup.1 to R.sup.8 independently of one another, are methyl, ethyl or n-propyl and R.sup.1 and R.sup.2 may each also be i-propyl and Hal is chlorine or bromine, processes for their preparation and their use for the dyeing and printing of hydrophobic synthetic fibre materials and blends thereof with natural fibre materials.
Claims14
Mixtures of monoazo dyes, comprising one or more dyes of the general formula I ##STR13## one or more dyes of the general formula II ##STR14## one or more dyes of the general formula III ##STR15## in which R.sup.3 to R.sup.8, independently of one another, are methyl, ethyl or n-propyl and R.sup.1 and R2, independently of one another, are methyl ethyl, n-propyl or i-propyl and Hal is chlorine or bromine.
The mixture according to claim 64, wherein R.sup.1 /R.sup.3 /R.sup.4 are methyl/ethyl/ethyl, methyl/n-propyl/n-propyl, ethyl/ethyl/ethyl, n-propyl/ethyl/ethyl or i-propyl/ethyl/ethyl;
- R.sup.5 and R.sup.6 are ethyl;
- and Hal/R.sup.2 /R.sup.7 /R.sup.8 are bromine/methyl/ethyl/ethyl or bromine/ethyl/ethyl/ethyl.
Dependencies are inferred from the claim text.