EP0385496A2
Expired / Lapsed
EP
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Color light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1990-03-02
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Granted: —
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Expires: 2010-03-02
Abstract
Abstract A color light-sensitive material comprising at least three light-sensitive layers having different color-sensitivity from one another provided on a support. Each layer comprises a combination of at least a light-sensitive silver halide, a binder and a dye-providing compound. At least one layer thereof has a spectral sensitization peak in at least two wavelength regions, the peaks in the at least two wavelength regions being at least 50 nm away from each other and at least one spectral sensitization peak thereof exists in the wavelength region of 700 nm or above.
Inventors
- 👤 Hiroshi C/O Fuji Photo Film Co. Ltd. Hara
- 👤 Takanori C/O Fuji Photo Film Co. Ltd. Hioki
- 👤 Keiichi C/O Fuji Photo Film Co. Ltd. Adachi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 17:56
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/40; G03C8/4013; G03C8/404; G03C7/00; G03C7/30; G03C7/3041; Y; Y10; Y10S; Y10S430/00; Y10S430/145
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
92 words
A color light-sensitive material comprising at least three light-sensitive layers having different color-sensitivity from one another provided on a support, each layer comprising a combination of at least a light-sensitive silver halide, a binder and a dye-providing compound, wherein at least one layer thereof has a spectral sensitization peak in at least two wavelength regions, said peaks in said at least two wavelength regions being at least 50 nm away from each other and at least one spectral sensitization peak thereof exists in the region of wavelength of 700 nm or above.
Claim 2
Dependent Claim
92 words
A color light-sensitive material comprising at least three light-sensitive layers having different color-sensitivity from one another provided on a support, each layer comprising a combination of at least a light-sensitive silver halide, a binder and a dye-providing compound, wherein at least one layer thereof has a spectral sensitization peak in at least two wavelength regions, said peaks in said at least two wavelength regions being at least 50 nm away from each other and at least one spectral sensitization peak thereof exists in the region of wavelength of 700 nm or above.
Claim 3
Dependent Claim
72 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a blue-sensitive layer, a green-sensitive layer and a red-sensitive layer, said blue-sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said second spectral sensitization peak is at least 50 nm away from a spectral sensitization peak of the red-sensitive layer.
Claim 4
Dependent Claim
20 words
A color light-sensitive material as in claim 2, wherein said blue-sensitive material is spectral sensitized with a blue region-sensitizing dye.
Claim 5
Dependent Claim
72 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a blue-sensitive layer, a green-sensitive layer and a red-sensitive layer, said green-sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said second spectral sensitization peak is at least 50 nm away from a spectral sensitization peak of the red-sensitive layer.
Claim 6
Dependent Claim
72 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a blue-sensitive layer, a green-sensitive layer and a red-sensitive layer, said red-sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said second spectral sensitization peak is at least 50 nm away from other spectral sensitization peak of the red-sensitive layer.
Claim 7
Dependent Claim
83 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a green to yellow sensitive layer, a red-sensitive layer and an infrared-sensitive layer, said green to yellow sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said spectral sensitization peak is at least 50 nm away from the spectral sensitization peak of the red-sensitive layer and that of the infrared-sensitive layer.
Claim 8
Dependent Claim
84 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a green to yellow sensitive layer, a red-sensitive layer and an infrared-sensitive layer, said red-sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said spectral sensitization peak is at least 50 nm away from the original spectral sensitization peak of the red-sensitive layer and the spectral sensitization peak of the infrared-sensitive layer.
Claim 9
Dependent Claim
86 words
A color light-sensitive material as in claim 1, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a green to yellow sensitive layer, a red-sensitive layer and an infrared-sensitive layer, said infrared-sensitive layer has two spectral sensitization peaks in the wavelength region of 700 nm or above, said peaks being at least 50 nm away from each other, and each of said spectral sensitization peaks is at least 50 nm away from the spectral sensitization peak of the red-sensitive layer.
Claim 10
Dependent Claim
102 words
A transfer type heat-developable color light-sensitive material comprising (1) at least three light-sensitive layers having different color-sensitivity from one another provided on a support, each layer comprising a combination of at least a light-sensitive silver halide, a hydrophilic binder and a dye-providing compound, wherein at least one layer thereof has a spectral sensitization peak in at least two wavelength regions, said peaks in said at least two wavelength regions are at least 50 nm away from each other, at least one spectral sensitization peak thereof exists in the wavelength region of 700 nm or above, and a layer containing a water-insoluble dye.
Claim 11
Dependent Claim
102 words
A transfer type heat-developable color light-sensitive material comprising (1) at least three light-sensitive layers having different color-sensitivity from one another provided on a support, each layer comprising a combination of at least a light-sensitive silver halide, a hydrophilic binder and a dye-providing compound, wherein at least one layer thereof has a spectral sensitization peak in at least two wavelength regions, said peaks in said at least two wavelength regions are at least 50 nm away from each other, at least one spectral sensitization peak thereof exists in the wavelength region of 700 nm or above, and a layer containing a water-insoluble dye.
Claim 12
Dependent Claim
34 words
A transfer type heat-developable color light-sensitive material as in claim 9, wherein said dye-providing compound is a nondiffusible compound capable of forming or releasing a dye which can be diffused in the hydrophilic binder.
Claim 13
Dependent Claim
108 words
A transfer type heat-developable color light-sensitive material as in claim 9, wherein at least two light-sensitive layers each has a spectral sensitization peak in the wavelength region of 700 nm or above, the spectral sensitization peaks in the wavelength region of 700 nm or above in said two or more light-sensitive layers are at least 30 nm away from one another, and at least one light-sensitive layer thereof has another spectral sensitization peak in the region of wavelength which is shorter by at least 50 nm than the spectral sensitization peak at 700 nm or above and is in the region of wavelength of 700 nm or below
Claim 14
Dependent Claim
104 words
A transfer type heat-developable color light-sensitive material as in claim 10, wherein a light-sensitive layer (layer B) having a spectral sensitization peak in the infrared region of a shorter wavelength is positioned nearer to the intended light source than a light-sensitive layer (layer A) having spectral sensitization peak in the infrared region of a longer wavelength, and a water-insoluble dye having a maximum absorption wavelength in a wavelength region capable of absorbing light emitted from the intended light source with a spectral sensitization peak wavelength in the infrared region of the layer B, is incorporated in layer A or between layers A and B.
Claim 15
Dependent Claim
87 words
A transfer type heat-developable color light-sensitive material as in claim 9, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a green to yellow sensitive layer, a red-sensitive layer and an infrared-sensitive layer, said green to yellow sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said second spectral sensitization peak is at least 30 nm away from the spectral sensitization peak of the red-sensitive layer and that of the infrared-sensitive layer.
Claim 16
Dependent Claim
88 words
A transfer type heat-developing color light-sensitive material as in claim 9, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a green to yellow sensitive layer, a red-sensitive layer and an infrared-sensitive layer, said red-sensitive layer has a second spectral sensitization peak in the wavelength region of 700 nm or above and said second spectral sensitization peak is at least 30 nm away from the original spectral sensitization peak of the red-sensitive layer and the spectral sensitization peak of the infrared-sensitive layer.
Claim 17
Dependent Claim
55 words
A transfer type heat-developing color light-sensitive material as in claim 9, wherein said three light-sensitive layers having different color-sensitivity from one another comprise a combination of a blue-sensitive layer, a green-sensitive layer and a redsensitive layer, and two layers thereof have a second spectral sensitization peak in the wavelength region of 700 nm or above.
References Cited (Backward Citations)
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