Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1994-11-03

1996-01-02

Neville, Thomas R.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430604, 430583, 430598, 430576, 430561, 430435, G03C 106

Patent

active

054808863

ABSTRACT:
Disclosed is a silver halide photographic material and forming an image using the same, containing a hydrazine derivative in the emulsion layer(s) or in other hydrophilic colloid layer(s). At least one silver halide emulsion comprises silver halide grains containing (a) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of an iridium compound, and (b) from 1.times.10.sup.-8 to 1.times.10.sup.-6 mol, per mol of silver, of a rhodium compound or from 1.times.10.sup.-9 to 1.times.10.sup.-5 mol, per mol of silver, of a rhenium compound, ruthenium compound or osmium compound, and having a silver chloride content of 50 mol % or more, the emulsion having been color-sensitized with a sensitizing dye of the following general formulae (1), (2) or (3): ##STR1## The material may be processed with a stable developer to give a hard image having few "black peppers".

REFERENCES:
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patent: 4681836 (1987-07-01), Inoue
patent: 4828962 (1989-05-01), Grzeskowiak et al.
patent: 4933272 (1990-06-01), McDugle et al.
patent: 5075198 (1991-12-01), Katoh
patent: 5221593 (1993-06-01), Onodera et al.
patent: 5229263 (1993-07-01), Yoshida et al.
patent: 5256519 (1993-10-01), Adin
patent: 5279933 (1994-01-01), Gingello et al.
patent: 5288590 (1994-02-01), Kuwabara et al.

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