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US 2004/0176499 A1Published application
Pigment preparations
AssigneeBayer Chemicals AG
InventorsUdo Herrmann, Dirk Pfutzenreuter, Josef Witt, Hans-Jurgen Hartrumpf
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Abstract
Pigment preparations comprising a) at least one pigment, b) at least one polyethyleneimine which is alkoxylated, especially ethoxylated and propoxylated and/or butoxylated, and c) at least one condensation product based on A) sulphonated aromatics, B) aldehydes and/or ketones and optionally C) one or more compounds selected from the group consisting of nonsulphonated aromatics, urea and urea derivatives.
Claims8
Pigment preparations comprising
- a) at least one pigment,
- b) at least one polyethyleneimine which is alkoxylated, and
- c) at least one condensation product based on
- A) sulphonated aromatics,
- B) aldehydes and/or ketones and optionally
- C) a compound selected from the group consisting of nonsulphonated aromatics, urea and urea derivatives.
3 more elements
Dependencies are inferred from the claim text.