Pigment formulations

Abstract

Formulations of flavanthrone, pyranthrone, indanthrone, indigo, quinacridone, perylene-3,4,9,10-tetracarboxylic acid dianhydride and perylene-3,4,9,10-tetracarboxylic acid diimide pigments which contain, as additives, one or more compounds of the formula ##STR1## where X is an n-valent radical of a flavanthrone, pyranthrone, indigo, quinacridone, perylene-3,4,9,10-tetracarboxylic acid dianhydride or perylene-3,4,9,10-tetracarboxylic acid diimide pigment, R.sup.1, R.sup.3 and R.sup.4 are hydrogen or chlorine, R.sup.2 is hydrogen, chlorine, carboxyl, bromine, nitro, N-C.sub.1 -C.sub.5 -alkylcarbamyl, N-phenylcarbamyl or benzoylamino and n is 1, 2, 3 or 4. In solutions of surface-coating binders or of surface coatings, the above formulations give very deep colorations, coupled with high gloss and high transparency of the resulting films.

Dependencies are inferred from the claim text.