Patent ID: 7115359
Filing Date: 2006-10-03
Classification: G03C

Abstract:
1. A photothermographic material comprising a support having at least on one side of the support: photosensitive silver halide particles; an organic silver salt, provided that the organic silver salt is selected from silver salts of an aliphatic carboxylic acid having a carbon number of 10–30; a reducing agent for silver ions; a leuco dye represented by General Formula (1); a stabilizing compound represented by General Formula (2), (3) or (4); and a polyhalomethane compound represented by General Formula (11): wherein CP represents a coupler group; —N(R)D represents a developer group, R represents a hydrogen atom or a blocking group and D represents a hydrogen atom or a substituerit; AH represents an acid; and 1 represents an integer of 0 to 5, wherein, X represents an electron withdrawing group; W represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group, a halogen atom, a cyano group, an acyl group, a thioacyl group, an oxalyl group, an oxyoxalyl group, a —S-oxalyl group, an oxamoyl group, an oxycarbonyl group, a —S-carbonyl group, a carbamoyl group, a thiocarbamoyl group, a sulfonyl group, a sulfinyl group, an oxysulfonyl group, a —S-sulfonyl group, a sulfamoyl group, an oxysulfinyl group, a —S-sulfinyl group, a sulfinamoyl group, a phosphoryl group, a nitro group, an imino group, a N—carbonylimino group, a N-sulfonylimino group, an ainmonium group, a sulfonium group, a phosphonium group, a pyrylium group or an immonium group; R wherein X wherein Q represents an atomic group to form a nitrogen-containing heterocyclic ring; J represents —SO wherein A