| abstract |
THE INVENTION CONCERNS AZOIC COMPOUNDS OF THE FORMULA: (CF DRAWING IN BOPI) OR R MEANS H OR ALKYL, K IS THE REMAINDER OF A COPULATION COMPONENT, X MEANS A DIRECT BOND OR A GROUP FORMING A NON-CATIONIC OR BIS-CATIONIC BRIDGE , W AND T MEAN 0 A 1, P MEANS 0.3 A 3, B MEANS 1 OR 2 AND R IS AN AMMONIUM OR PIPERAZINE CATIONIC REST. THESE COMPOUNDS MAY BE USED AS COLORANTS, IN PARTICULAR FOR LEATHER DYING AND PAPER COLORING. |