US3892572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilayer color photographic material
Assignee: Fujifilm Holdings Corp
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Filing: 1974-07-01
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Granted: 1975-07-01
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Expires: 1994-07-01
Abstract
Abstract A multilayer color photographic material comprising a support having thereon at least a photosensitive emulsion layer containing an interlayer color correction coupler or an organic accelerator for the interlayer interimage effect or the under-cut interimage effect, a colloid layer for adsorbing an organic development inhibitor, the colloid layer containing silver halide grains which are substantially not developed by color development, on the photosensitive emulsion layer or between the photosensitive emulsion layer and the support. By the positioning of such a colloid layer, the color reproducibility of the color photographic material is improved and also the color photographic material can be developed at a higher temperature without causing development difficulties.
Inventors
- 👤 Keisuke Shiba
- 👤 Takeshi Hirose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3029; G03C7/32; G03C7/3225
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
62 words
A MULTILAYER COLOR PHOTOGRAPHIC MATERIAL SUITABLE FOR HIGH TEMPERATURE DEVELOPMENT COMPRISING A SUPPORT HAVING COATED THEREON AT LEAST ONE PHOTOSENSITIVE EMULSION LAYER CONTAINING AN INTERLAYER COLOR CORRECTION COUPLER OR AN ORGANIC ACCELERATOR FOR THE INTERLAYER INTERIMAGE EFFECT, THE MULTILAYER COLOR PHOTOGRAPHIC MATERIAL HAVING A COLLOID LAYER FOR ADSORBING AN ORGANIC DEVELOPMENT INHIBITOR ON THE PHOTOSENSITIVE EMULSION LAYER OR BETWEEN THE PHOTOSENSITIVE EMUL-
Claim 2
Dependent Claim
62 words
A MULTILAYER COLOR PHOTOGRAPHIC MATERIAL SUITABLE FOR HIGH TEMPERATURE DEVELOPMENT COMPRISING A SUPPORT HAVING COATED THEREON AT LEAST ONE PHOTOSENSITIVE EMULSION LAYER CONTAINING AN INTERLAYER COLOR CORRECTION COUPLER OR AN ORGANIC ACCELERATOR FOR THE INTERLAYER INTERIMAGE EFFECT, THE MULTILAYER COLOR PHOTOGRAPHIC MATERIAL HAVING A COLLOID LAYER FOR ADSORBING AN ORGANIC DEVELOPMENT INHIBITOR ON THE PHOTOSENSITIVE EMULSION LAYER OR BETWEEN THE PHOTOSENSITIVE EMUL-
Claim 3
Dependent Claim
115 words
The multilayer color photographic material as set forth in claim 1, in which said multilayer color photographic materials has coated on the support a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, at least one of said silver halide emulsion layer containing the interlayer color correction coupler or the organic accelerator for the interlayer interimage effect and a layer of an emulsion containing fine silver halide grains having grain sizes of less than about 0.2 microns on said emulsion layer containing the interlayer color correction coupler or the organic accelerator for the interlayer interimage effect as the colloid layer for adsorbing the organic development inhibitor.
Claim 4
Dependent Claim
97 words
The multilayer color photographic material as set forth in claim 1, in which said interlayer color correction coupler is a coupler represented by general formula (I) Cp-Z (I) wherein Cp represents a coupler residue which couples with the oxidation product of a primary aromatic amino color developing agent; and Z represents an organic residue which can be released from the coupler on coupling with the oxidation product of a primary aromatic amino developing agent and which has the function of diffusing into the silver halide emulsion layer and inhibiting the development in the silver halide emulsion layer.
Claim 5
Dependent Claim
28 words
The multilayer color photographic material as set forth in claim 3, in which Z in general formula (I) is represented by following general formulas (1a), (1b) or (1c).
Claim 6
Dependent Claim
98 words
The multilayer color photographic material as set forth in claim 2, in which said interlayer color correction coupler is a coupler represented by the general formula (I) Cp-Z (I) wherein Cp represents a coupler residue which couples with the oxidation product of a primary aromatic amino color developing agent; and Z represents an organic residue which can be released from the coupler on coupling with the oxidation product of a primary aromatic amino developing agent and which has the function of diffusing into the silver halide emulsion layers and inhibiting the development in the silver halide emulsion layer.
Claim 7
Dependent Claim
28 words
The multilayer color photographic material as set forth in claim 5, in which Z of geNeral formula (I) is represented by following general formulas (1a), (1b) or (1c)
Claim 8
Dependent Claim
85 words
The multilayer color photographic material as set forth in claim 1, in which said multilayer color photographic material has coated on the support a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a filter layer, and a blue-sensitive silver halide emulsion layer, at least one of said silver halide emulsion layers containing the interlayer color correction coupler or the organic accelerator for the interlayer interimage effect and said colloid layer for adsorbing the organic development inhibitor being formed adjacent said filter layer.
Claim 9
Dependent Claim
62 words
The multilayer color photographic material as set forth in claim 1, in which said colloid layer for adsorbing the organic development inhibitor comprises a silver halide emulsion containing fine silver iodobromide grains or fine silver bromide grains each having a mean grain size of less than about 0.1 microns at a coverage of about 0.1 to 5 g silvler per square meter.
Claim 10
Dependent Claim
29 words
The multilayer color photographic material as set forth in claim 1, in which said organic accelerator for the interlayer interimage effect comprises a compound represented by general formula (II)
Claim 11
Dependent Claim
87 words
The multilayer color photographic material as set forth in claim 1, in which said multilayer color photographic material has coated on the support at least an antihalation layer, a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a blue-sensitive silver halide emulsion layer, at least one of said silver halide emulsion layers containing the interlayer color correction coupler or the organic accelerator for the interlayer interimage effect and said colloid layer for adsorbing the organic development inhibitor being positioned on said antihalation layer.
Claim 12
Dependent Claim
32 words
The multilayer color photographic material as set forth in claim 1, in which said colloid layer for adsorbing the organic development accelerator is a protective layer for said multilayer color photographic material.
Claim 13
Dependent Claim
58 words
The multilayer color photographic material as set forth in claim 11, in which said colloid layer for adsorbing the organic development inhibitor as the protective layer comprises an emulsion of fine silver halide grains having a mean grain size of less than about 0.1 microns and a polymer latex or colloidal silica, aluminum hydroxide, or a colloidal metal.
Claim 14
Dependent Claim
31 words
The multilayer color photographic material as set forth in claim 1, in which said colloid layer for adsorbing organic development inhibitor is a filter layer for said multilayer color photographic material.
Claim 15
Dependent Claim
82 words
The multiLayer color photographic material as set forth in claim 1, in which said multilayer color photographic material includes at least one photosensitive emulsion layer containing fine silver halide grains having a mean grain size of less than about 0.2 microns in addition to said photosensitive emulsion layer containing the interlayer color correction coupler or the organic accelerator for the interlayer interimage effect on or under the layer emulsion layer to function as the colloid layer for adsorbing the organic development inhibitor.
References Cited (Backward Citations)
US3790384A
Cited
US3728121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |