Patent ID: 7157217

Claim:
An aqueous solvent-system photothermographic material which is coated from a coating solution with an aqueous solvent of water or a mixture of water and 70% by weight or less of water-miscible organic solvent, comprising, on a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a non-photosensitive outermost layer at a surface side of the support at which the image forming layer is provided, wherein: the non-photosensitive organic silver salt contains 90% by mole or more of silver behenate; a binder in the outermost layer contains 50% by weight or more of a hydrophobic polymer latex; and the non-photosensitive outermost layer contains a gelling agent at a coating amount of 0.01% by weight to 10.0% by weight with respect to the hydrophobic polymer latex; and the photothermographic material further comprises a gelation accelerator at a coating amount of 0.1% by weight to 200% by weight with respect to the gelling agent.