COMPOUND, COMPOSITION AND USE

摘要

Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, in which: M represents a metal or H; Pc represents a phthalocyanine nucleus; R<1> and R<2> independently represent H or optionally substituted C1-30carbyl comprising an aliphatic carbon atom next to the sulphonamido group; v is the valence of Pc divided by the valence of M; and x is from 2.5 to 4.5; provided than R<1> and R<2> are other than both H.