Patent ID: 8063123

Claim:
A mixture comprising compounds of the formula (D,E)C═C(B)—CO—O—CH 2 —CH 2 —O—PO(A)-CH 2 —CH 2 —CO 2 H and (I) HO—PO(A)-CH 2 —CH 2 —CO—O—CH 2 —CH 2 —O—CO—C(B)═C(D)(E), wherein (II) A is methyl, ethyl, propyl or butyl, D is H or methyl, E is H or methyl, B is H or methyl, or (D,E)C═C(B)—CO—O—CH 2 —CH 2 —CH 2 —O—PO(A)CH 2 —CH 2 —CO 2 H, and (III) HO—PO(A)-CH 2 CH 2 —CO—O—CH 2 —CH 2 —CH 2 —O—CO—C(B)═C(D)(E) (IV).