Patent ID: 6413712
Filing Date: 2002-07-02
Classification: G03C

Abstract:
A photothermographic material containing on one side of a support at least one photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for reducing silver ion and a binder, in which the reducing agent comprises a combination of at least one compound. expressed by the formula (I) below and at least one compound expressed by the formula (II) below: (where in the formula (I), R1 to R4 independently represent a hydrogen atom or a group substitutable on a. benzene ring; L represents an â€”Sâ€” group or a â€”CHR5â€” group; said R5 representing a hydrogen atom or an alkyl group); and (where in the formula (II), R1 represents an alkyl group whereas excluding 2-hydroxyphenylmethyl group; R2 represents a hydrogen atom, an acylamino group or an alkyl group having 1 to 30 carbon atoms; R3 represents a hydrogen atom or an alkyl group; and R4 represents a group substitutable on a benzene ring).