| abstract |
Formulation of coloring agent, consisting essentially of A) from 0.1 to 50% by weight of at least one coloring agent selected from the group consisting of organic pigments, inorganic pigments and organic dyes, B) of 0, 01 to 80% by weight of at least one water soluble dispersion aid agent based on a block copolymer of a poly (methacrylic acid ester) and poly (ethylene oxide) blocks free of acid groups, C ) from 0 to 30% by weight of at least one organic solvent, D) from 0 to 20% by weight of other usual additive materials, E) from 10 to 90% by weight of water, in each case referred to the total weight of the coloring agent formulation (100% by weight). |