Navy dye mixtures and their use in dyeing polyesters

Abstract

Dye mixtures containing dyes of the formula I ##STR1## where X is hydrogen, chlorine or bromine, R.sup.1 is hydrogen, methoxy, ethoxy or phenoxy, R.sup.2 is hydrogen, methyl, ethyl, n-propyl or i-propyl and R is ##STR2## where R.sup.3 is C.sub.1 -C.sub.5 -alkyl, allyl, methallyl, crotonyl, prenyl or benzyl, R.sup.4 is unsubstituted or phenyl- or phenoxy-substituted straight-chain or branched C.sub.1 -C.sub.8 -alkyl which may be interrupted by 1, 2 or 3 0 atoms, or is C.sub.3 -C.sub.5 -alkenyl, unsubstituted or chlorine-, bromine-, C.sub.1 -C.sub.4 -alkyl- or C.sub.1 -C.sub.4 -alkoxy-substituted phenyl or benzyl, the mixtures containing not less than 40% of dyes wherein R is ##STR3## or NHC.sub.2 H.sub.4 CN, from 0 to 20% of one or more dyes wherein R is ##STR4## and from 10 to 60% of one or more dyes wherein R is ##STR5##

Dependencies are inferred from the claim text.