Patent ID: 7247606

Claim:
A compound of formula: wherein each R group independently represents a C 6 -C 10 arylene group, a straight or branched chain C 2 -C 20 alkylene group optionally containing an arylene group, or a C 4 -C 20 straight chain alkylene group containing one or more —NH— groups in the alkylene chain, each X is —O—, —S—, or —NR 5 — where R 5 is hydrogen or C 1 -C 6 alkyl, each AO group is independently an ethyleneoxy (EO), a 1,2-propyleneoxy (PO), or a 1,2-butyleneoxy (BO) group, n, m and p is a number of from 1 to 50 and the sum of n, m and p is from 4 to 50, and the R 4 group independently represents a moiety selected from the group consisting of —CH2—OH(OH)—R 9 group, wherein each R 9 independently represents a C 4 -C 18 saturated or unsaturated, substituted or unsubstituted hydrocarbon group.