Patent ID: 8507569

Claim:
A radically polymerizable composition comprising: (a) at least one alkaline developable resin; (b) at least one acrylate monomer; (c) at least one photoinitiator; and (d) at least one hydroxylamine ester compound of formula I wherein R a represents an acyl radical; R b and R c together form a ring resulting in compounds of formula (IC) wherein n is 1 G 3 is Ra′ C 1 -C 32 alkyl which is interrupted by 4 oxygens R 1 -R 4 each represent C 1 -C 6 alkyl; and R 5 and R 6 each represent independently of one another hydrogen, C 1 -C 6 alkyl or C 6 -C 10 aryl; or R 5 and R 6 together represent oxygen.