US4587208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color photographic light-sensitive material
Assignee: Konica Minolta Inc
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Filing: 1985-04-25
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Granted: 1986-05-06
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Expires: 2005-04-25
Abstract
Abstract A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide layer located farthest from the support contains not less than 15 mole percent of silver chloride and two non-light-sensitive layers each containing an ultraviolet absorbing agent.
Inventors
- 👤 Takashi Kadowaki
- 👤 Kaoru Onodera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:24
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39208; Y; Y10; Y10S; Y10S430/00; Y10S430/162
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
173 words
A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide emulsion layer located farthest from the support contains not less than 15 mole % of silver chloride, said silver halide emulsion layer farthest from the support having on the side opposite to the support side thereof a first nonlight-sensitive layer, said first nonlight-sensitive layer containing an ultraviolet absorbing agent whose ratio A 1 /A 2 of the spectral absorption coefficient A 1 at 350 nm to the spectral absorption coefficient A 2 at 400 nm is not less than 10, and a second nonlight-sensitive layer being located between said silver halide emulsion layer farthest from the support and the silver halide emulsion layer second to the farthest from the support, the second nonlight-sensitive layer containing an ultraviolet absorbing agent whose ratio A 1 /A 2 of the special absorption coefficient A 1 at 350 nm to the spectral absorption coefficient A 2 at 400 nm is not less than 10.
Claim 2
Dependent Claim
173 words
A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide emulsion layer located farthest from the support contains not less than 15 mole % of silver chloride, said silver halide emulsion layer farthest from the support having on the side opposite to the support side thereof a first nonlight-sensitive layer, said first nonlight-sensitive layer containing an ultraviolet absorbing agent whose ratio A 1 /A 2 of the spectral absorption coefficient A 1 at 350 nm to the spectral absorption coefficient A 2 at 400 nm is not less than 10, and a second nonlight-sensitive layer being located between said silver halide emulsion layer farthest from the support and the silver halide emulsion layer second to the farthest from the support, the second nonlight-sensitive layer containing an ultraviolet absorbing agent whose ratio A 1 /A 2 of the special absorption coefficient A 1 at 350 nm to the spectral absorption coefficient A 2 at 400 nm is not less than 10.
Claim 3
Dependent Claim
57 words
A color photographic light-sensitive material as claimed in claim 1, wherein the plurality of said silver halide emulsion layers are three different spectral light-sensitive silver halide emulsion layers one of said layers containing a non-diffusible yellow coupler, another of said layers containing a non-diffusible magenta coupler and the remaining of said layers containing a non-diffusible cyan coupler.
Claim 4
Dependent Claim
52 words
A color photographic light-sensitive material as claimed in claim 2, wherein the three different spectral light-sensitive silver halide emulsion layers, are a red-sensitive silver halide emulsion layer containing a cyan coupler, a green-sensitive silver halide emulsion layer containing a magenta coupler, and a blue-sensitive silver halide emulsion layer containing a yellow coupler.
Claim 5
Dependent Claim
50 words
A color photographic light-sensitive material as claimed in claim 2 or 3, wherein the plurality of said silver halide emulsion layer are coated on the reflective support in the following order: a yellow coupler containing emulsion layer, a magenta coupler containing emulsion layer, and a cyan coupler containing emulsion layer.
Claim 6
Dependent Claim
17 words
A color photographic light-sensitive material as claimed in claim 2, wherein said yellow coupler is a α-pivaloylacetanilide-type.
Claim 7
Dependent Claim
17 words
A color photographic light-sensitive material as claimed in claim 2, wherein said magenta coupler is a 5-pyrazolone-type.
Claim 8
Dependent Claim
17 words
A color photographic light-sensitive material as claimed in claim 2, wherein said cyan coupler is a phenol-type.
Claim 9
Dependent Claim
25 words
A color photographic light-sensitive material as claimed in claim 1, wherein the silver halide emulsion layer located farthest from the support contains a cyan coupler.
Claim 10
Dependent Claim
21 words
A color photographic light-sensitive material as in claim 1, wherein at least one of said nonlight-sensitive layers include a hydrophilic binder.
Claim 11
Dependent Claim
38 words
A color photographic light-sensitive material as claimed in claim 1, wherein said A 1 is not less than 0.5, said A 2 is not more than 0.09, and said A 1 /A 2 is not less than 10.
Claim 12
Dependent Claim
27 words
A color photographic light-sensitive material as claimed in claim 1, wherein said ultraviolet absorbing agent in at least one of said nonlight-sensitive layers is a benzotriazole-type compound.
Claim 13
Dependent Claim
47 words
A color photographic light-sensitive material as claimed in claim 11, wherein said benzotriazole-type compounds have the following formula: ##STR8## wherein R 1 , R 2 and R 3 each is hydrogen, a halogen, an alkyl, an aryl, an alkoxy, an aryloxy, an alkenyl, nitro or hydroxyl radical.
Claim 14
Dependent Claim
44 words
A color photographic light-sensitive material as claimed in claim 1, 11 or 12, wherein the contents of said ultraviolet absorbing agent are of the order of 0.001 to 2 parts by weight to one part by weight of the binders of said nonlight-sensitive layer.
Claim 15
Dependent Claim
26 words
A color photographic light-sensitive material as claimed in claim 1, wherein a third nonlight-sensitive layer comprising substantially binders only is provided on the first nonlight-sensitive layer.
Claim 16
Dependent Claim
20 words
A color photographic light-sensitive material as claimed in claim 1, wherein said silver halide is silver chlorobromide or silver chloroiodobromide.
Claim 17
Dependent Claim
25 words
A color photographic light-sensitive material as claimed in claim 12, wherein said alkyl, alkoxy and alkenyl radicals have from 1 to 14 carbon atoms respectively.
Claim 18
Dependent Claim
22 words
A color photographic light-sensitive material as claimed in claim 12, wherein said aryl and aryloxy radicals are phenyl and phenoxy radicals respectively.
Claim 19
Dependent Claim
70 words
The color photographic light-sensitive material as claimed in claim 1, wherein the quantity of the ultraviolet absorbing agent in said second nonlight-sensitive layer between said silver halide emulsion layers is from about 0.1 to about 50 parts by weight per part by weight of the quantity of the ultraviolet absorbing agent in the first non-light-sensitive layer on the side opposite to the support of said farthest silver halide emulsion layer.
Claim 20
Dependent Claim
28 words
The color photographic light-sensitive material as claimed in claim 1, wherein the silver halide in said silver halide emulsion layer farthest from the support is essentially silver bromochloride.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |