Patent US4992357A successfully refreshed from Google Patents.
US4992357A
Expired / Lapsed
US
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Silver halide color photographic light-sensitive material
Assignee: Konica Minolta Inc
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Filing: 1989-07-03
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Granted: 1991-02-12
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Expires: 2009-07-03
Abstract
Abstract A silver halide color photographic light-sensitive material having an excellent adhesion resistance and capable of preventing deterioration of quality of processed images is disclosed. The light-sensitive material having a support and provided thereon, the photographic component layers including each at least one red-sensitive layer comprising at least a masking cyan coupler, green-sensitive layer comprising at least a masking magenta coupler, and blue-sensitive layer, is characterized by that: A. an uppermost layer of said photographic component layers comprises an alkali-soluble matting agent, B. a total amount of coated silver is 15 to 45 mg/dm 2 .
Inventors
- 👤 Yoshihiro Haga
- 👤 Hiroshi Shimazaki
- 👤 Atsuo Ezaki
- 👤 Yoshiro Shigetomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:54
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; G03C7/00; G03C7/30; G03C7/3003; G03C7/32; G03C7/333; G03C1/005; G03C1/06; G03C1/32; G03C1/7614; G03C2001/7635; G03C7/3022; G03C2007/3025; G03C7/3029; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
162 words
A silver halide color photographic light-sensitive material having a support and photographic component layers thereon, said layers including at least one red-sensitive layer comprising at least a masking cyan coupler, a green-sensitive layer comprising at least a masking magenta coupler, and a blue-sensitive layer, wherein said light-sensitive material is characterized in that: A. an uppermost layer of said photographic component layers comprises an alkali-soluble matting agent, B. a total amount of coated silver is 15 to 45 mg/dm 2 , wherein said alkali-soluble matting agent is: a. a copolymer of an alkyl methacrylate and a methacrylic acid, acrylic acid, or itaconic acid, b. a copolymer of an alkyl methacrylate and a maleic monoester and a maleic monoamide, c. a copolymer of styrene with an α, β unsaturated mono- or dicarboxylic acid, a dicarboxylic monoester, or dicarboxylic monoamide, d. a graft polymer of maleic anhydride/ -olefin copolymer and methacrylic acid or methyl methacrylate, or e. a dicarboxylic acid monoester of a cellulose derivative.
Claim 2
Dependent Claim
162 words
A silver halide color photographic light-sensitive material having a support and photographic component layers thereon, said layers including at least one red-sensitive layer comprising at least a masking cyan coupler, a green-sensitive layer comprising at least a masking magenta coupler, and a blue-sensitive layer, wherein said light-sensitive material is characterized in that: A. an uppermost layer of said photographic component layers comprises an alkali-soluble matting agent, B. a total amount of coated silver is 15 to 45 mg/dm 2 , wherein said alkali-soluble matting agent is: a. a copolymer of an alkyl methacrylate and a methacrylic acid, acrylic acid, or itaconic acid, b. a copolymer of an alkyl methacrylate and a maleic monoester and a maleic monoamide, c. a copolymer of styrene with an α, β unsaturated mono- or dicarboxylic acid, a dicarboxylic monoester, or dicarboxylic monoamide, d. a graft polymer of maleic anhydride/ -olefin copolymer and methacrylic acid or methyl methacrylate, or e. a dicarboxylic acid monoester of a cellulose derivative.
Claim 3
Dependent Claim
35 words
The light-sensitive material of claim 1, wherein said alkali-soluble matting agent is soluble in a solution having pH of not lower than 7.0, and insoluble in a solution having pH of not higher than 5.0.
Claim 4
Dependent Claim
28 words
The light-sensitive material of claim 1, wherein said uppermost layer comprising the alkali-soluble matting agent is provided on the same side of the support as the light-sensitive layers.
Claim 5
Dependent Claim
20 words
The light-sensitive material of claim 3, wherein a particle size of said alkali-soluble matting agent is 0.5 to 10 μm.
Claim 6
Dependent Claim
15 words
The light-sensitive material of claim 4, wherein said particle size is 1 to 6 μm.
Claim 7
Dependent Claim
27 words
The light-sensitive material of claim 5, wherein an addition ratio of said alkali-soluble matting agent is 10 to 500 mg per square meter of the light-sensitive material.
Claim 8
Dependent Claim
22 words
The light-sensitive material of claim 6, wherein said addition ratio is 20 to 300 mg per square meter of the light-sensitive material.
Claim 9
Dependent Claim
20 words
The light-sensitive material of claim 1, wherein said total amount of coated silver is 20 to 40 mg/dm 2 .
Claim 10
Dependent Claim
55 words
The light-sensitive material of claim 1, wherein said masking cyan coupler is a colored cyan coupler represented by Formula (A): ##STR10## wherein COUP represents a cyan coupler residue; * represents a coupling site of a cyan coupler; J represents a divalent linkage group; m represents 0 or 1; and R 5 represents an aryl group.
Claim 11
Dependent Claim
19 words
The light-sensitive material of claim 9, wherein said COUP represents a phenol type or naphthol type cyan coupler residue.
Claim 12
Dependent Claim
16 words
The light-sensitive material of claim 10, wherein said COUP represents a naphthol type cyan coupler residue.
Claim 13
Dependent Claim
51 words
The light-sensitive material of claim 1, wherein said masking magenta coupler is a colored magenta coupler represented by Formula (III): Formula (III) Cp-N=N-R.sub.1 wherein Cp represents a magenta coupler residue, provided that an azo group is bonded to an active site of the magenta coupler; R 1 represents an aryl group.
Claim 14
Dependent Claim
24 words
The light-sensitive material of claim 9, wherein a ratio of said colored cyan coupler to total cyan couplers is 5 to 95 mol %.
Claim 15
Dependent Claim
24 words
The light-sensitive material of claim 12, wherein a ratio of said colored magenta coupler to total magenta couplers is 5 to 95 mol %.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-11 | 1994-08-13 | 1995-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-11 | 1998-08-13 | 1999-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-11 | 2002-08-13 | 2003-02-12 | $7700.00 | Window Closed / Lapsed |