Patent ID: 7348367
Filing Date: 2008-03-25
Classification: B01F,C09B,C09D

Abstract:
1. A dispersant of formula 1 wherein T is branched alkyl; X is —CO—, —O—, —S—, —NR R A is oxyalkylene carbonyl and/or oxyalkenylene carbonyl (POAC); Y is a divalent linkage selected from the residue of a diol, polyol, dicarboxylic acid, diisocyanate, and a direct bond; Z is a sulfonate, sulphate, phosphonate, or phosphate; n is from 2 to 100, including salts thereof, except where the dispersant is a phosphate ester of either isostearyl alcohol reacted with 10 moles of ε-caprolactone or isostearyl alcohol with 8 moles of ethyleneoxide and 15 moles of ε-caprolactone and further characterized in that the branched alkyl group, T, enhances the solubility of said dispersant in an organic media.