Abstract: Aqueous pigment preparations comprising a) at least one pigment b) at least one polymeric carboxylic acid comprising interpolymerized alkoxylated or nonalkoxylated alpha-hydroxy-C1-C6-alkyl-acrylic acid units and at least one component c) and/or d), of which c) is a surfactant which is nonionic and/or anionic, and d) is a condensation product based on A) sulphonated aromatics B) aldehydes and/or ketones and if appropriate C) one or more compounds selected from the group of nonsulphonated aromatics, urea and urea derivatives.

Abstract: Polyalkylenepolyimines having alkoxy units and anionic groups, especially those from the group consisting of —COO?, —SO394 , —OSO3?, —PO32? and —P(OR)O2?, where R represents hydrogen or optionally substituted alky, cycloalkyl or aryl.

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.

Abstract: Pigment preparations comprising

Abstract: The invention relates to a solid pigment composition comprising a) at least one pigment, b) at least one compound selected from the group consisting of b0) a phenol-styrene-polyglycol ether or an ionically modified phenol-styrene-polyglycol ether, b1) a condensation product prepared from b1A) sulphonated aromatics b1B) aldehydes and/or ketones and b1C) optionally one or more compounds selected from the group of unsulphonated aromatics, urea and urea derivatives, and b2) phosphoric acid, phosphonic acid and derivatives thereof, and c) at least one organic thickener.

Abstract: The invention relates to pigment preparations comprising a metal complex of a mono-, di-, tri-, or tetraanion of an azo compound that in its free acid form conforms to formula (I) or a tautomeric form thereof wherein R and R′ are independently OH, NH2, NH—CN, acylamino, or arylamino, and R1 and R1′ are independently —OH or —NH2, with a metal selected from the group consisting of Na, K, Ca, Sr, Ba, Zn, Fe, Ni, Cu, Mn, La, Li, Cs, Mg, Cd, Co, Al, Cr, Sn, and Pb, wherein the metal complex hosts at least one guest compound.

Abstract: Use of metal complexes of an azo compound which conforms to the formula (I) or to one of its tautomeric structures 1

Abstract: Compounds corresponding to the general formula ##STR1## wherein R.sup.3 represents H, CH.sub.3R.sup.4 represents H, C.sub.1-12 alkyl, C.sub.1-4 alkoxy, C.sub.1-12 alkylamino, C.sub.7-8 aralkylamino, arylamino, or C.sub.7-20 aralkyl,A represents a two-bonded group having the structure ##STR2## X may represent a single bond or --CO-- if it is attached to a carbon atom but only --CO-- if it is attached to a hetero atom,R.sup.1 represents R.sup.2, H or C.sub.1-4 alkyl,m represents 1 or 2 andn represents an integer from 1 to 12 are suitable as age resisters which can be built into polymers, in particular nitrile rubber.