US Patent 7425409 Photothermographic material

The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer, wherein the photothermographic material includes at least one polymer selected from a polycycloolefin, a cycloolefin copolymer, or a copolymer of olefin and maleimide or maleamide. A photothermographic material which is excellent in film surface properties and photographic properties is provided.