Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1982-01-22
1983-10-11
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430405, 430503, 430505, 430506, 430509, 430955, G03C 716
Patent
active
044093217
ABSTRACT:
A method for reproducing a color image. A dye image is formed on a photographic light-sensitive material by imagewisely exposing the material and processing to form a dye image. Through the imaged photographic light-sensitive material, an exposure is made on a photographic printing light-sensitive material which is processed in an alkaline activator solution to form a dye image thereon. The photographic light-sensitive material contains a transparent support provided thereon with red-sensitive, green-sensitive, and blue-sensitive silver halide emulsion layers. The layers each contain one of three different nondiffusible couplers capable of forming, by coupling, compounds having spectral absorption maximum wavelength in the wavelength region longer than 340 nm. The spectral absorption maximum wavelength of the compounds differ by at least 30 nm. The blue-sensitive layer contains a coupler capable of forming the compound having the highest molecular extinction coefficient among the three different couplers, whereas the green-sensitive layer contains a coupler capable of forming the compound having the lowest molecular extinction coefficient. The printing light-sensitive material contains a support provided thereon with three different light-sensitive silver halide emulsion layers respectively having spectral sensitivity corresponding to the absorption maximum wavelength of the compounds formed in the photographic light-sensitive material. The layers each comprise one of three nondiffusible yellow, magenta, and cyan couplers, and contain a color developing agent and/or the precursor thereof.
REFERENCES:
patent: 4297437 (1981-10-01), Kancko et al.
patent: 4320193 (1982-03-01), Robillard
Fujimastu Wataru
Iijima Toshifumi
Onodera Kaoru
Brown J. Travis
Konishiroku Photo Industry Co,., Ltd.
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