Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
Patent
1987-09-08
1989-06-20
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Silver compound sensitizer containing
430523, 430933, G03C 136, G03C 192
Patent
active
048408891
ABSTRACT:
Silver halide photographic paper for direct positives, comprising a support and a silver halide emulsion layer for direct positives, provided on the support and containing silver halide grains having been fogged in the presence of a reduction fogging agent and a water-soluble gold compound, wherein a photographic layer on the side on which said silver halide emulsion layer for direct positives is provided contains an emulsion dispersion or latex dispersion of an oil-soluble brightening agent, and simultaneously contains at least one of organic desensitizers represented by formula (I), (II), (III), (IV) or (V) as shown in the specification.
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patent: 4592991 (1986-06-01), Yoshida et al.
Morimoto Isamu
Uesawa Yutaka
Konishiroku Photo Industry Co,., Ltd.
Schilling Richard L.
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