Reactive dyestuff red mixture
AssigneeBayer Aktiengesellschaft
InventorsMax Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank Stohr
Life of this patent
Estimating the term…
Abstract
Improved reactive dyestuff red mixtures comprise in each case at least one component of the formula 1 ##STR1## and one component of the formula 2 ##STR2## wherein the substituents have the meaning given in the description.
Claims10
A dyestuff mixture containing at least 2 reactive dyestuffs, comprising at least 80-20 parts of the dyestuff of formula 1 ##STR18## and 20-80 parts of the dyestuff of formula 2 ##STR19## wherein R.sub.1 denotes ##STR20## or an acyl radical of an aromatic carboxylic acid, R.sub.2 denotes ##STR21## R.sub.3 denotes ##STR22## B denotes a C.sub.1 -C.sub.10 -alkylene radical or substituted or unsubstituted a naphthylene, diphenyl, stilbene, phenylene or benzylene radical, wherein said substituents are selected from the group consisting of halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, carboxyl and sulfo,
- D denotes ##STR23## X denotes F or Cl and Y.sup.1 -Y.sup.4 independently of one another denote H or F,
- and wherein at least one of the radicals R.sub.1 and R.sub.2 contains a fibre-reactive group.
Dependencies are inferred from the claim text.