Process to apply new organic compounds, prepared on the basis of such compounds, and dyeing processes, furladagem and embossing.

摘要

Disclosed are disazo and trisazo dyes free of sulfo groups which contain two 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, preferably dyes of the formula IMAGE wherein R is a tetrazo component radical, EACH R1 is independently hydrogen, C1-4alkyl, C1-4hydroxyalkyl or -NR3R4, wherein each of R3 and R4 is independently n-C1-4-alkyl, EACH R2 is independently hydrogen, n-C1-4alkyl, n-C1-4-hydroxyalkyl or C1-4alkoxy, and EACH A- is an anion.