Patent ID: 8278459

Claim:
A compound of formula I: wherein R is C 1 -C 24 -alkyl, optionally substituted with up to 3 hydroxyl groups, a residue —(CH 2 ) n —Y or residue (CH 2 ) n -Sp-A, wherein the —(CH 2 ) n — moieties can optionally be substituted with up to 3 hydroxyl groups, A is a substituent that absorbs light in the UV-range and has a conjugated π electron system of at least 4π electrons, Sp is a bond or a linear or branched residue —(CH 2 ) n —, —(CH 2 ) n —C 6 H 4 —(CH 2 ) o —, —(CH 2 ) n —C(═O)—(CH 2 ) o —, —(CH 2 ) n —C(═O)—(CH 2 ) o —X—(CH 2 ) p —, or —(CH 2 ) n —X—(CH 2 ) p —, X is O, NR 1 , S(O) m , R 1 is H, C 1-24 -alkyl, optionally substituted with up to 3 hydroxyl groups, or —(CH 2 ) n —Y, Y is selected from C 1-24 -alkyl, C 3 -C 10 -cycloalkyl and C 6 -C 10 -Aryl, unsubstituted or substituted with 1-3 substituents independently selected from hydroxyl groups and C 1 -C 6 -alkyl groups, m is a number selected from 0, 1, 2, n, o and p are whole numbers independently selected from the range of 0-24, and q is 1, and wherein the substituent A is selected from: wherein X 1 , X 2 , X 3 , X 4 , X 5 , X 6 , X 7 and X 8 are independently from each other H, OH, C 1-24 -alkyl, unsubstituted or substituted with up to 3 hydroxyl groups or residues Y, C 1-24 -alkyl-C(O)O, C(O)O—C 1-24 -alkyl, C 1-8 -alkoxyl, S(O) r OH or monoglycosidyl, Z is selected from NR 2 , O and S, R 2 is H, C 1-24 -alkyl, aryl, heteroaryl or Y, Y is as defined previously; and r is 1 or 2.