Patent ID: 7530685

Claim:
A process for printing an image on a substrate comprising applying thereto by means of an ink-jet printer a composition comprising a liquid medium and a tris-azo compound of Formula (1) or salt thereof: wherein: A is an alkenyl, homocyclic or heterocyclic group; L 1 and L 2 are each independently aryl or heteroaryl; and m and n are each independently 0 or 1 such that m+n is 1 or 2; wherein: (i) the compound of Formula (1) is not in the form of a metal chelate; and (ii) at least one of L 1 and L 2 carries at least one substituent selected from sulpho, carboxy, C 1-4 -alkoxy and C 1-4 -alkoxy-OH.