Patent ID: 7199211

Claim:
An ester F of formula Ib wherein EO is O—CH2-CH2-, PO is independently at each instance O—CH2-CH(CH3) or O—CH(CH3)-CH2-, n1+n2+n3 is 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, or 60, m1+m2+m3 is 4, 5, 6, 7, 8, 9, 10, 11, 12, or 13, R1, R2, and R3 are independently H or CH3.