Patent ID: 8293441

Claim:
A pigment preparation comprising a) a dioxazine compound of formula (I) as base pigment and b) a dioxazine compound of formula (II) as a pigmentary dispersant Q-[Y—X] m (II) wherein Q is an m-valent residue of the base pigment of formula (I), Y is (CR 1 R 2 ) x — where x is from 1 to 6 and R 1 and R 2 each independently are hydrogen or C 1 -C 4 -alkyl, X is an imidazole radical attached to the bridge member Y via a carbon atom, m is a numerical value between 1 and 4, and c) a resin component selected from the group consisting of abietic acid, dehydroabietic acid, dihydroabietic acid, tetrahydroabietic acid, laevopimaric acid, dextropimaric acid, isodextropimaric acid, rosin, partially hydrogenated rosin, resin soaps of the acids of abietic acid, dehydroabietic acid, dihydroabietic acid, tetrahydroabietic acid, laevopimaric acid, dextropimaric acid, isodextropimaric acid and mixtures thereof.