New a - hydrazono a - phenyl acetonitriles, their preparation and their application as a dispersion dyes for the coloration of the artificial or synthetic materials

摘要

P the invention relates to new alpha - hydrazono alpha - phenyl acetonitriles, which can be used in particular as a dispersion dyes for the coloration of the artificial or synthetic materials. / p & & p & they can be represented by the general formula: / p