Patent ID: 8377192

Claim:
A sterically hindered amine of formula (2) wherein R 11 is hexamethylene, R 13 is selected from the group consisting of hydrogen, hydroxyl, amino, mono-C 1 -C 20 alkylamino, di-C 1 -C 20 alkylamino, nitro, cyano, CO 2 M 1 , CONM 1 M 2 , SO 3 M 1 , C 1 -C 20 alkyl, C 1 -C 20 alkoxy, aryl, a heterocycle, a heteroatom, and a halogen, and M 1 and M 2 each independently, alike or different, is H or C 1 -C 20 alkyl, and n is an integer from 1 to 5.