Disazo pigments containing ether substituted alkoxy carbonyl groups

Abstract

New disazo pigments of the formula ##STR1## wherein R.sub.1 denotes a benzene radical, R.sub.2 denotes an aromatic radical, X and X' denote hydrogen or chlorine atoms, alkyl or alkoxy groups containing 1-6 carbon atoms, or aryloxy groups, R.sub.3 denotes an alkyl group containing 1-6 carbon atoms, or an aryl radical, and Z denotes a hydrogen or halogen atom, an alkoxy group containing 1-4 carbon atoms, or a nitro or nitrile group which are useful for pigmenting high molecular organic material.

Dependencies are inferred from the claim text.