Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1997-01-03

1999-11-16

Letscher, Geraldine

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430598, 430599, 430600, 430601, 430603, 430604, 430605, 430567, G03C 106

Patent

active

059855088

ABSTRACT:
A silver halide photographic material is disclosed, comprising a support having thereon at least one silver halide emulsion layer, wherein said emulsion layer contains a heavy metal selected from Ir, Ru, Rh, Re and Cr in an amount of at least 1.times.10.sup.-5 mol per mol of silver halide and (1) silver halide grains having a silver chloride content of 95 mol % or more, said grains being formed under acidic conditions and then subjected to gold-sulfur sensitization, (2) a silver halide having a silver chloride content of 95 mol % or more and then subjected to Se or Te sensitization or (3) silver halide grains having a silver chloride content of 95 mol % or more and conatianing at least one iron compound, and at least one of said emulsion layer and other hydrophilic colloid layers contains at least one hydrazine derivative and at least one nucleation accelerator. Also, disclosed is a method for producing the above-described silver halide photographic material.

REFERENCES:
patent: 4851321 (1989-07-01), Takagi et al.
patent: 5166043 (1992-11-01), De Prijcker
patent: 5478696 (1995-12-01), Arai

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