Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

G - Physics

03

C

96/142

G03C 1/10 (2006.01) G03C 1/06 (2006.01) G03C 1/33 (2006.01)

Patent

CA 2039112

ABSTRACT An improved silver halide photographic material that has at least one silver halide emulsion layer on a support and that contains a hydrazine derivative in said emulsion layer or an adjacent layer. The improvement is that said emulsion layer or at least one of the other hydrophilic colloidal layers contains at least one of the compounds represented by the following general formulas (I) and (II): (I) Image (II) where R1 and R1' are each a group selected from among a substituted or unsubstituted alkane residue, an alkene residue, a benzene residue, a cyclohexane residue and a nitrogenous heterocyclic residue; R2 is a substituted or unsubstituted alkyl group; R3, R3', R4 and R4' are each a hydrogen atom or a substituted or unsubstituted methyl group, provided that R3 and R4 or R3' and R4' are not a methyl group at the same time; Y is a divalent organic residue; M and M' are each a hydrogen atom, an alkali metal, an ammonium salt or an organic amine salt; P is a positive integer; and m is 0 or 1. (The remaining space is left blank.)

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