Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1996-02-01

1998-04-28

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 430599, 430600, 430601, G03C 106

Patent

active

057442797

ABSTRACT:
A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, at least one layer of the emulsion layer and other hydrophilic colloid layers containing at least one hydrazine-type nucleating agent having, in the vicinity of the hydrazine group, an anionic group or a nonionic group which forms an intramolecular hydrogen bond with a hydrogen atom of the hydrazine, and also containing at least one of the onium salt compounds represented by formulae (a), (b) and (c), or at least one of the amine compounds represented by formulae (d), (e), (f), (g), (h), (i) and (j). Also disclosed is a method for processing, after exposure, the silver halide photographic material described above with a developer containing a reductone-type developing agent and having a pH of 12 or less.

REFERENCES:
patent: 4987052 (1991-01-01), Hirano et al.
patent: 5229248 (1993-07-01), Sanpei et al.
patent: 5229249 (1993-07-01), Katoh et al.

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