Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1986-10-17
1988-11-15
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430551, 430611, 430219, G03C 140
Patent
active
047849380
ABSTRACT:
A silver halide photographic light-sensitive material which is improved on fog without decreasing photosensitivity. The photographic material comprises a support and a photographic structural layer provided thereon containing at least one silver halide emulsion layer and at least one non-light-sensitive layer. A nitrogen-containing heterocyclic mercapto compound is contained at least two layers of the photographic structure layer, and at least one of these mercapto compound-containing layer is a non-light-sensitive layer.
REFERENCES:
patent: 3600178 (1971-08-01), Willems et al.
patent: 4264721 (1981-04-01), Shimano et al.
patent: 4328302 (1982-05-01), Nishimura et al.
patent: 4448878 (1984-05-01), Yamamuro et al.
patent: 4451555 (1984-05-01), Pollet et al.
Kajiwara Makoto
Miyoshi Masanobu
Nakamura Shin-ichi
Obhayashi Keiji
Okumura Mitsuhiro
Bierman Jordan B.
Konishiroku Photo Industry Co,., Ltd.
Louie Won H.
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