Patent ID: 7989619

Claim:
A composition comprising a cross linking compound of formula: L-(D-T-C(R 1 )(XP)CHR 2 GR 3 C(═O)R 4 ) m wherein L is a linking group comprising a formula according to structure (I): A, B and J form a ring, wherein A and J are C═O; B is NR 11 ; R 11 is a hydrogen atom, an alkyl group, an aryl group or denotes a bond with T; D is CR 6 R 7 ; T is (—CH 2 —) x , (—CH 2 CH 2 —O—) x , (—CH 2 CH 2 CH 2 —O—) x or (—CH 2 CH 2 CH 2 CH 2 —O—) x or forms a bond; R 1 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group; X is O, S, or NR 8 R 9 ; P is a hydrogen atom or a protecting group, with the proviso that P is absent when X is NR 8 R 9 ; R 2 is a hydrogen atom, an alkyl, alkyloxyalkyl, aryl, aryloxyalkyl or aryloxyaryl group; G is —C(═O)O—, —O—, —NHC(═O)O—, —NHC(═O)S—, —SO 2 —, —CONH—, —NHCONH—, —NHC(═S)NH—, —NR 10 —, —SO 2 NH—, —C(═N)—,—C(═O)— or —(CH 2 ) t —O—; R 3 and R 4 are each independently an alkyl, aryl, arylalkyl, heteroaryl, or heteroarylalkyl group, wherein R 3 and R 4 can be tethered together via (—CH 2 —) q , (—CH 2 —) r C═O(—CH 2 —) s , (—CH 2 —) r S(—CH 2 —) s , (—CH 2 —) r S═O(—CH 2 —) s or (—CH 2 —) r S(O) 2 (—CH 2 —) s , (—CH 2 —) r NR(—CH 2 —) s ; R 10 is a hydrogen atom or an alkyl, aryl or arylalkyl group; R 6 and R 7 are each independently a hydrogen atom, an alkyl, aryl, arylalkyl, heteroaryl or heteroarylalkyl 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 an aryl group; 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; and x is an integer from 1 to about 500; a polymer; and a particle having a particle size of between about 1 nm to about 25 microns.