Patent ID: 6649329
Filing Date: 2003-11-18
Classification: G03C,Y10S

Abstract:
A monosheet type photothermographic material comprising (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following formula (1) or (2), (d) a binder, (e) a coupler compound, and (f) a compound represented by the following formula (3), on a side of a support: wherein, in the formula (1), V1 to V4 each independently represent hydrogen atom or a substituent, and V5 represents a substituted or unsubstituted alkyl group, aryl group or heterocyclic group;Q1â€”NHNHâ€”V6â€ƒâ€ƒ(2) wherein, in the formula (2), Q1 represents a 5- or 7-membered unsaturated ring bonding to NHNHâ€”V6 at a carbon atom, and V6 represents a carbomoyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group or a sulfamoyl group; wherein, in the formula (3), P represents a monovalent substituent, m represents an integer of 1-4, and M represents hydrogen atom or a counter ion.