Pigments of azomethine, their process of production and their applications for the pigmentation of organic substances macromolecular

摘要

P the invention relates to the field of chemistry of the dyeing. It relates to novel pigments of azomethine and their preparation process, a variant consists in condensing of aromatic amines or aromatic hetero - with a alkoxyéthylène -, - quinazolinone in an organic solvent, to 100 - 220°C. / p & & p & application to the pigmentation of the macromolecular organic substances. / p