Patent ID: 6063558
Filing Date: 2000-05-16
Classification: G03C

Abstract:
A photosensitive element comprising on a support, at least one silver halide emulsion layer and a non-light sensitive hydrophilic colloid layer wherein the silver halide emulsion layer comprises a chalcogenic compound represented by formula (1): ##STR15## wherein: X represents Se or Te, forming a double bond with its neighboring C-atom,Nu represents a nucleophilic acidic group forming a heterolytic bond with its free electron pair,L represents a divalent linking group,AQB represents the necessary atoms to form a heterocyclic 5- or 6-membered ring, provided that when A is a Nitrogen-atom, B is an atom selected from the group consisting of NR.sup.1, O, S, Se and Te,R.sup.1 can represent a hydrogen atom, an alkyl group, an acyl group, an aryl group, an aralkyl group or a heteroaryl group.