Phthalocyanine compounds used in inks for ink-jet printing

摘要

Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents:in which:M represents a metal or H;Pc represents a phthalocyanine nucleus;Ar represents an aromatic moiety optionally substituted by one or more groups selected from an optional substituent or optionally substituted C1-30carbyl;v is the valence of Pc divided by the valence of M; andx is from 2.5 to 4.5.