Patent ID: 8487137

Claim:
A compound of formula: L-((T-C(R 1 )(XP 1 )CHR 2 GR 3 C(═O)R 4 )) m wherein L is (—OCH 2 CH 2 O—) qq , (—OCH 2 CH 2 CH 2 O—) qq , (—O—(CH 2 ) ii —O—) qq , (—OCH 2 —CH(OP 2 )—CH 2 —O—) qq or (—O(CH 2 ) ii —O—(CH 2 ) jj —O—) qq ; T is (—CH 2 —) x ; R 1 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group; X is O, S, or NR 8 R 9 ; P 1 is a hydrogen atom or a protecting group, with the proviso that P 1 is absent when X is NR 8 R 9 ; P 2 is a hydrogen atom or a protecting group; R 2 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group; G is 0, S, SO, SO 2 , NR 10 , (CH 2 ) t —O— or C═O; R 3 and R 4 are aryl, R 10 is a hydrogen atom or an alkyl, aryl or arylalkyl group; R 8 and R 9 are each independently a hydrogen atom, an alkyl, aryl, or arylalkyl group; R is a hydrogen atom, an alkyl or aryl group; ii is an integer from 1 to about 500; jj is an integer from 1 to about 500; q is an integer from 1 to about 7; r is an integer from 0 to about 3; s is an integer from 0 to about 3; m is an integer from 2 to about 10; t is an integer from 1 to about 10; x is an integer from 1 to about 500; and qq is an integer from 1 to about 500.