Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1991-05-14
1993-03-02
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430264, 430509, 430506, 430957, 430223, G03C 146
Patent
active
051908506
ABSTRACT:
A silver halide photographic material having on a support a first light-sensitive layer containing a light-sensitive silver halide emulsion and a second light-sensitive layer containing a light-sensitive silver halide emulsion, wherein the first light-sensitive layer and/or a hydrophilic colloid layer contains a hydrazine compound, the second light-sensitive layer contains a redox compound capable of releasing a development inhibitor by oxidation, and the sensitivity of the first light-sensitive layer is higher by 0.2 to 1.0 than that of the second light-sensitive layer.
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patent: 5006445 (1991-04-01), Yagihara et al.
patent: 5085971 (1992-02-01), Katoh et al.
patent: 5134055 (1992-07-01), Okamura et al.
patent: 5145765 (1992-09-01), Okamura et al.
Katoh Kazunobu
Sakai Minoru
Bowers Jr. Charles L.
Fuji Photo Film Co. , Ltd.
Neville Thomas R.
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