Acid dyes, a process for their preparation and their use for dyeing organic substrates of the general formula (I)
wherein the substituents have the meaning as indicated in the claims.
The invention relates to basic bisazo compounds according to formula (I)
wherein all substituents are defined as in Claim
1
, their production, their use as dyestuffs as well as material dyed with these dyestuffs.
[EN] The invention relates to basic bisazo compounds according to formula (I) wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs. [FR] La présente invention concerne des composés disazoïques basiques selon la formule (I) dans lesquels tous les substituants sont définis selon la revendication 1, leur production, leur utilisation en tant que colorants ainsi que les matériaux teints avec ces colorants.