Azomethine copper complexes

Abstract

Disclosed are compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen, carboxy, alkoxycarbonyl, aminocarbonyl, mono- or dialkylaminocarbonyl, benzimidazolonyl-5-aminocarbonyl or phenylaminocarbonyl, the phenyl radical of which is unsubstituted or substituted by up to 3 substituents selected from up to 3 from chlorine, bromine and methyl and up to 2 from cyano, nitro, methoxy, ethoxy and trifluoromethyl, R.sub.2 is hydrogen, halogen, alkoxy or nitro, and R.sub.3 and R.sub.4 are, independently, hydrogen, halogen, nitro, alkyl, alkoxy, alkoxycarbonyl, aminocarbonyl, mono- or dialkylaminocarbonyl, phenylaminocarbonyl, alkylcarbonylamino, alkoxycarbonylamino, benzoylamino or benzylcarbonylamino, Their production and use as pigments for plastics, paper, paints, varnishes, spin dyeing of cellulose acetate, textile coating and pigment printing.

Dependencies are inferred from the claim text.