Patent ID: 6485898
Filing Date: 2002-11-26
Classification: G03C

Abstract:
A photothermographic material comprising a non-photosensitive silver salt of an organic acid, a photosensitive silver halide, a reducing agent for silver ions and a binder on one surface of a support, wherein content of the reducing agent is 0.4-3.5 mmol/m2, and the reducing agent contains at least one compound represented by the following formula (I): wherein R1 and R1â€² each independently represent an alkyl group, at least one of which is a secondary or tertiary alkyl group; R2 and R2â€² each independently represent hydrogen atom or a group that can be a substituent on benzene ring; L represents â€”Sâ€” group or a â€”CH(R3)â€” group where R3 represents hydrogen atom or an alkyl group; and X and Xâ€² each independently represent hydrogen atom or a group that can be a substituent on benzene ring.