Patent ID: 8076409
Filing Date: 2011-12-13
Classification: B01F,C09D

Abstract:
1. A composition comprising a particulate solid, an organic medium and/or water and a dispersant, wherein the dispersant is represented by the Formula and salts thereof: wherein j is zero, or an integer from 1 to 2000; d is from 2 to 3000; c is 0 or 1; x is from 2 to 90; U is R R R Y is C A is the residue of a non-aromatic hydrocarbyl substituted carboxylic acid containing three or more acid groups; Z is the residue of a polyamine and/or polyimine; W comprises the residue of an oxide, urea or dibasic acid or anhydride thereof; Q D is a residue of a dibasic acid or anhydride thereof; m is a positive integer from 2 to 100; R′ is hydrogen or C G is a divalent bond or carbonyl; M 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; and e is 0 to v, wherein v represents the maximum available number of amino and/or imino groups in Z which does not carry the groups U—(Y)