Patent ID: 7872070

Claim:
A composition comprising a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof: R—U—(Y) x -T-Z—W 0-v Formula 1 wherein Z carries two or more R−U−(Y) x -T- groups; R is H or C 1-30 -optionally substituted hydrocarbyl; or R may be R″C═O (an acyl group where R″ is hydrogen, alkyl, aryl or an optionally substituted alkyl or aryl); U is oxygen, —NH or —NR′″; R′″ is a C 1-30 -optionally substituted hydrocarbyl Y is C 2-4 -alkyleneoxy; T is the residue of substituted acetic acid or propionic acid; 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 R—U—(Y) x -T.