Patent ID: 8012664

Claim:
A compound of the formula (I) where the symbols and indices are each defined as follows: A is A′, R or OR, where R is a straight-chain or branched (C 1 -C 8 )-alkyl group or (C 3 -C 3 )-cycloalkyl; A′ is the same or different and is B is a bond, —O—, —C(O)—O, —O—C(O)—, —C(O)—O—CH 2 —CH(OH)—CH 2 —O— or —CH 2 —CH(OH)—CH 2 —O—C(O)—; R 1 is H or OH; m is 2, 3 or 4; Y is n is a positive rational number ≧3 and ≦80; E is —CH 2 —CHR 2 —O—, —O—CHR 2 —CH 2 — or —(CH 2 ) r —O—, —O—(CH 2 ) r —; R 2 is H or CH 3 ; and r is 1 or 4.