PURPOSE: To obtain the title material having the excellent green shelf-life and an image having the high image density and a less tendency for generating a stain by incorporating at least one of a photosensitive silver halide and a reducing agent and at least one of specified compds. in a supporting body.
CONSTITUTION: At least one of the photosensitive silver halide and the reducing agent and at least one of the compds. shown by formula IWIV are incorporated in the supporting body. In formulas IWIV, when n=1, Z is hydrogen atom, alkyl or -COY group (wherein Y is alkyl or aryl group, etc.), and when n=2, Z is Zn or Ni, R1WR5 are each hydrogen atom, a substituting group or a chemical bond, X is oxygen or sulfur atom, etc., R6WR9 are each hydrogen atom, a substituting group or a chemical bond. And, when n=1, W is hydrogen atom, ammonium, -SR11 or R11 group, and when n=2, W is Zn or Ni, R10 and R11 are each alkyl or heterocyclic ring residual group, etc., R15 and R16 are each alkyl or cycloalkyl group, etc. Thus, the image having a less tendency for generating the stain of a color image and a good S/N is obtd.
KAWADA KEN
HIRAI HIROYUKI
