Patent ID: 7671119

Claim:
A composition comprising a particulate solid, an organic medium and/or water and a compound of Formula (1), Formula (2), or Formula 2a and salts thereof: wherein X-*-*-X represents a polyamine and/or polyimine; Q is the chain RR′N-T-O—(Y) x -T-NH-A-; Q 1 represents a polyester and/or polyamide chain of formula R 1 -G-(B) m -; R 1 is hydrogen or C 1-50 -optionally substituted hydrocarbyl; G is a divalent bond or carbonyl; B is the residue of one or more amino carboxylic acids, one or more hydroxy carboxylic acids, one or more lactones of hydroxycarboxylic acids, or mixtures thereof; q and s are positive integers greater than zero; q in Formula 2 is from 2 to 2000; q+s in Formula 2a is from 2 to 2000; R and R′ are independently H or C 1-30 -optionally substituted hydrocarbyl; or R is H or C 1-30 -optionally substituted hydrocarbyl and R′ is R″C═O (an acyl group); R″ is hydrogen, alkyl or an optionally substituted alkyl or aryl or an optionally substituted aryl; Y is C 2-4 -alkyleneoxy; T is C 2-4 alkylene; A is the residue of a dibasic acid or anhydride thereof; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group RR′N-T-O—(Y) x -T-NH-A-, wherein the particulate solid is a pigment.