Patent ID: 6458505
Filing Date: 2002-10-01
Classification: G03C,Y10S

Abstract:
A photothermographic material having, on a support, an image-forming layer that contains at least a non-photosensitive silver salt of an organic acid, a photosensitive silver halide, a nucleating agent and a binder, and at least one protective layer outer than the image-forming layer on the support, wherein the protective layer contains at least one compound selected from the group consisting of the compounds represented by the following formula (1) and the compounds represented by the following formula (2) as emulsion dispersion or solid dispersion:Qâˆ’(Y)nâ€”CZ1Z2Xâ€ƒâ€ƒFormula (1): wherein, in the formula (1), Q represents an alkyl group, an aryl group or a heterocyclic group, which groups may have one or more substituents, Y represents a divalent bridging group, n represents 0 or 1, Z1 and Z2 represents a halogen atom, and X represents hydrogen atom or an electron-withdrawing group, wherein, in the formula (2), M represents hydrogen atom or a k-valent cation; K represents an integer of 1 or more; R represents a substituent and may form a salt when it can form a salt; and n represents an integer of 1-4, and when n is 2-4, R may be identical or different from each other or one another.