Patent classifications
C09B33/22
Black Trisazo Dyes, Their Preparation And Their Use
The present invention provides trisazo dyes of formula (V), wherein A, M and R.sub.1, R.sub.2, R.sub.3, R.sub.4 are as defined in the specification, processes for their preparation, recording liquids and liquid dye preparations containing them and their use in inks as well as processes for applying them and printed articles comprising them.
##STR00001##
Trisazo Compounds for Ink-jet Printing
Novel trisazo compounds are disclosed. The compounds are well suited for the dyeing and printing of natural and synthetic materials, especially as recording liquids for inkjet printing.
Black trisazo dyes, their preparation and their use
The present invention provides trisazo dyes of formula (V), wherein A, M and R.sub.1, R.sub.2, R.sub.3, R.sub.4 are as defined in the specification, processes for their preparation, recording liquids and liquid dye preparations containing them and their use in inks as well as processes for applying them and printed articles comprising them. ##STR00001##
Black trisazo dyes, their preparation and their use
The present invention provides trisazo dyes of formula (V), wherein A, M and R.sub.1, R.sub.2, R.sub.3, R.sub.4 are as defined in the specification, processes for their preparation, recording liquids and liquid dye preparations containing them and their use in inks as well as processes for applying them and printed articles comprising them. ##STR00001##