US4601976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilayer color photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1985-08-15
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Granted: 1986-07-22
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Expires: 2005-08-15
Abstract
Abstract A multilayer color photographic light-sensitive material containing no image-receiving layer is described, comprising a support, an internal latent image type direct reversal silver halide emulsion layer combined with a dye-providing substance, and a void layer between the support and the layer containing the dye-providing substance closest to the support.
Inventors
- 👤 Yukio Karino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:56
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/52
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
48 words
A multilayer color photographic light-sensitive material containing no image-receiving layer, which comprises a support, an internal latent image type direct reversal silver halide emulsion layer combined with a dye-providing substance, and a void layer between the support and the layer containing the dye-providing substance closest to the support.
Claim 2
Dependent Claim
48 words
A multilayer color photographic light-sensitive material containing no image-receiving layer, which comprises a support, an internal latent image type direct reversal silver halide emulsion layer combined with a dye-providing substance, and a void layer between the support and the layer containing the dye-providing substance closest to the support.
Claim 3
Dependent Claim
21 words
A multilayer color photographic light-sensitive material as in claim 1, wherein the void layer comprises solid particles dispersed in a binder.
Claim 4
Dependent Claim
17 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the binder is a hydrophilic binder.
Claim 5
Dependent Claim
62 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the solid particles are selected from the group consisting of white lead, zinc oxide, titanium dioxide, barium sulfate, lithopone, zirconium oxide, aureolin, cobalt green, cobalt blue, cerulean blue, cobalt violet, ultramarine, cadmium red, lead chromate, indathrene blue, phthalocyanine blue, silica, carbon black, finely divided glass particles, diatomaceous earth, and particulate polymer.
Claim 6
Dependent Claim
17 words
A multilayer color photographic light-sensitive material as in claim 4, wherein said solid particles comprise titanium dioxide.
Claim 7
Dependent Claim
34 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the solid particles are present in the void layer in an amount of from about 1 g/m 2 to 10 g/m 2 .
Claim 8
Dependent Claim
28 words
A multilayer color photographic light-sensitive material as in claim 1, wherein the void volume is from 0.1 cm 3 /m 2 to 2 cm 3 /m 2 .
Claim 9
Dependent Claim
28 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the void volume is from 0.1 cm 3 /m 2 to 2 cm 3 /m 2 .
Claim 10
Dependent Claim
28 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the void volume is from 0.1 cm 3 /m 2 to 2 cm 3 /m 2 .
Claim 11
Dependent Claim
28 words
A multilayer color photographic light-sensitive material as in claim 6, wherein the void volume is from 0.1 cm 3 /m 2 to 2 cm 3 /m 2 .
Claim 12
Dependent Claim
24 words
A multilayer color photographic light-sensitive material as in claim 1, wherein the thickness of the void layer is from 1 μm to 10 μm.
Claim 13
Dependent Claim
24 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the thickness of the void layer is from 1 μm to 10 μm.
Claim 14
Dependent Claim
24 words
A multilayer color photographic light-sensitive material as in claim 9, wherein the thickness of the void layer is from 1 μm to 10 μm.
Claim 15
Dependent Claim
24 words
A multilayer color photographic light-sensitive material as in claim 10, wherein the thickness of the void layer is from 1 μm to 10 μm.
Claim 16
Dependent Claim
22 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the average particle diameter is from 0.1 μm to 10 μm.
Claim 17
Dependent Claim
22 words
A multilayer color photographic light-sensitive material as in claim 13, wherein the average particle diameter is from 0.1 μm to 10 μm.
Claim 18
Dependent Claim
32 words
A multilayer color photographic light-sensitive material as in claim 1, wherein the distance between the silver halide emulsion layer closest to the support and the void layer is 10 μm or less.
Claim 19
Dependent Claim
32 words
A multilayer color photographic light-sensitive material as in claim 2, wherein the distance between the silver halide emulsion layer closest to the support and the void layer is 10 μm or less.
Claim 20
Dependent Claim
38 words
A multilayer color photographic light-sensitive material as in claim 1, wherein a dye-providing substance layer combined with the silver halide emulsion layer closest to the support is interposed between the void layer and the silver halide emulsion layer.
Claim 21
Dependent Claim
38 words
A multilayer color photographic light-sensitive material as in claim 2, wherein a dye-providing substance layer combined with the silver halide emulsion layer closest to the support is interposed between the void layer and the silver halide emulsion layer.
References Cited (Backward Citations)
US4341858A
Cited
US4416969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-21 | 1990-01-20 | 1990-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-21 | 1994-01-20 | 1994-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-21 | 1998-01-20 | 1998-07-22 | $7700.00 | Window Closed / Lapsed |