NOVEL DISAZOIC COMPOUNDS CONTAINING SULFO GROUPS, THEIR PREPARATION AND THEIR USE AS COLORANTS

摘要

The subject of the invention is the disazo compounds of the formula: embedded image in which the residue of a benzene or naphthalene diazotization component is represented. X MEANS A GROUP FORMING A BRIDGE, K MEANS THE REST OF A HETEROCYCLIC COPULATION COMPONENT OR AN ACOUSABLE CH ACID COMPOUND, N MEANS 1, 2, 3 OR 4 AND THE OTHER SYMBOLS REPRESENT VARIOUS ORGANIC RESIDUES These compounds can be used as dyes for the dyeing or printing of organic substances containing hydroxyl groups or nitroxide. / P