Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1986-12-15
1988-02-09
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430226, 430504, 430505, 430509, 430538, 430549, 430553, 430555, 430557, 430567, 430941, G03C 146, G03C 726
Patent
active
047241985
ABSTRACT:
There is disclosed a light-sensitive silver halide color photographic material having red-sensitive, green-sensitive and blue-sensitive emulsion layers, each layer consisting of two or more layers with different sensitivities on a support, wherein the layers are constituted so as to satisfy the following requirements (A), (B), (C) and (D):
(A) of the respective emulsion layers having the highest sensitivities among the the red-sensitive, green-sensitive and blue-sensitive emulsion layers, the highest sensitivity blue-sensitive emulsion layer is provided on the side farthest from the support;
(B) at least the the highest sensitivity red-sensitive emulsion layer and the highest sensitivity green-sensitive emulsion layer are provided between the the highest blue-sensitive emulsion layer and a blue-sensitive emulsion layer with lower sensitivity;
(C) none of the respective red-sensitive, green-sensitive and blue-sensitive emulsion layers having the lowest sensitivities exists on the side farther than the low sensitivity blue-sensitive emulsion layer from the support; and
(D) contained in at least one layer of the high sensitivity red-sensitive, green-sensitive and blue-sensitive layers, is a diffusion-resistant compound capable of forming a mobile dye through the coupling reaction with the oxidized product of a chromogenic developing agent.
The light-sensitive material according to this invention exhibits excellent photographic characteristics such as graininess, sharpness and sensitivity.
REFERENCES:
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patent: 4267264 (1981-05-01), Lohmann et al.
patent: 4446226 (1984-05-01), Yamashita et al.
patent: 4461826 (1984-07-01), Yamashita et al.
Iijima Toshifumi
Kamio Takashi
Kumashiro Kenji
Shimura Shinya
Yamada Yoshitaka
Kittle John E.
Konishiroku Photo Industry Co,., Ltd.
Shah Mukund J.
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