Reactive dyes, processes for their manufacture and their use
AssigneeCiba-Geigy Corporation
InventorsSandor Gati, Gerd Holzle
Life of this patent
Estimating the term…
Abstract
The invention provides reactive dyes of the formula ##STR1## wherein Pc is the radical of a copper or nickel phthalocyanine, X is a substituted or unsubstituted amino group, A is an alkylene or arylene radical, Y is a removable or non-removeable substituent, W is sulfo or carboxyl, and Z is a reactive radical, and a, b and c are whole or fractional numbers, with the proviso that each of a and c is at least 1, b is a value between 0 and 2 and the sum of a+b+c must be 4.
Claims4
Reactive dyes of the formula ##STR13## wherein Pc is the radical of a copper or nickel phthalocyanine, X is --NH.sub.2 or the radical of an aliphatic, cycloaliphatic, aromatic or heterocyclic amine, A is a phenylene radical that does not contain sulfo as substituent, Y is fluorine or chlorine, W is sulfo or carboxyl, and Z is a alkoxy- or alkoxyalkoxy-chloro-triazino, and a, b and c are whole or fractional number with the proviso that each of a and c is at least 1, b is a value between 0 and 2 and the sum of a+b+c must be 4.
Dependencies are inferred from the claim text.