| abstract |
Pigment preparations comprising n a) at least one pigment, n b) at least one polyethyleneimine which is alkoxylated, especially ethoxylated and propoxylated and/or butoxylated, and n c) at least one condensation product based on n A) sulphonated aromatics, n B) aldehydes and/or ketones and optionally n C) one or more compounds selected from the group consisting of nonsulphonated aromatics, urea and urea derivatives. |