Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1982-07-12
1984-05-01
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430502, 430503, 430509, 430567, G03C 146, G03C 726
Patent
active
044462263
ABSTRACT:
A light-sensitive color photographic material having a support and, coated thereon, at least two light-sensitive silver halide emulsion layers respectively sensitive to lights of different spectral regions, characterized in that each of the light-sensitive emulsion layers comprises at least two emulsion layers having different light-sensitivities and containing negative type light-sensitive silver halide crystals essentially consisting of silver iodobromide containing silver iodide at a proportion not higher than 4 mole %.
This invention provides a silver halide color photographic material, in which the proportion of the silver halide utilized for the information of a color image to the total silver halide used is enhanced remarkably.
REFERENCES:
patent: 4153460 (1979-05-01), Iijima et al.
patent: 4187110 (1980-02-01), Yagihara et al.
Iijima Toshifumi
Yamashita Kiyoshi
Downey Mary F.
Konishiroku Photo Industry Co,., Ltd.
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