Patent ID: 6033833
Filing Date: 2000-03-07
Classification: G03C,Y10S

Abstract:
A process of producing a positive photographic image by imagewise exposure of a photographic reversal silver halide material, the reversal material containing a compound (I) that corresponds to the following formula: ##STR5## wherein A is a group capable of being adsorbed to the silver halide surface,L is a linking group and r is 0 or 1,R.sub.1 and R.sub.2 are independently selected from an alkyl group, substituted or unsubstituted, and an aryl group substituted or unsubstituted, compound (I) being present at a coverage from 1.times.10.sup.-6 mol/m.sup.2 to 3.times.10.sup.-3 mol/m.sup.2, comprising the step of contacting the photographic material with a photographic solution comprising a bi-nucleophilic agent.