A photothermographic imaging material including an organic silver salt, a binder, a reducing agent, coupler and a main developing agent which forms coloring images by reacting with the coupler, those which are on a support wherein the reducing agent comprises a compound represented by the following Formula (1), the coupler is a compound represented by the following Formula (CP1) and sum of maximum density of colorant images at maximum absorption wavelength formed by the coupler and the main developing agent is 0.01 or more and 0.50 or less ##STR00001## ##STR00002##

 
Web www.patentalert.com

> Method of increasing the gas transmission rate of a film

~ 00317