BigPatents India

The invention relates to aquaous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant, B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether, C) between 0 and 30 wt. % of at least one organic solvent, D) between 0 and 20 wt. % of other standard additives, and E) between 10 and 90 wt. % of water, respectively in relation to the total weight (100 wt. %) of the colorant preparation. The invention also relates to the use of said preparations in printing inks, especially ink jet printing inks (FIG.NIL)