Metal-free reactive dyes, process for the production thereof and their use The present invention relates to reactive dyes of the formula (I), in which A, B, a and K are defined as given in claim, a process for preparing them, and their use for dyeing and printing hydroxyl-, amino-, and/or carboxamido-containing materials.
无
金属反应
染料,其生产过程及其用途本发明涉及公式(I)的反应
染料,其中A、B、a和K的定义如权利要求中所述,以及其制备过程,以及它们用于染色和印刷含有羟基,
氨基和/或羧酰胺的材料。