Patent US4619885 - Photoresists - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA photopolymerizable composition is disclosed which comprises (a) a polymeric binder, (b) a polymerizable compound, and (c) a photoinitiator comprised of a compound according to formula I ##STR1## wherein R1 is a hydrogen atom, a halogen atom, an alkyl group,