US3663210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive silver halide supersensitized photographic material
Assignee: Konica Minolta Inc
•
Filing: 1970-04-15
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Granted: 1972-05-16
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Expires: 1990-04-15
Abstract
Abstract A light-sensitive silver halide photographic material which contains at least one layer of silver halide emulsion including a combination of at least one benzimidazolo-carbocyanine dye represented by the general formula -(CH2)2.O(CH2)2OH; R3 and R4 are individually a C1 to C4-alkyl, hydroxyalkyl, or sulfoalkyl group; Y1 and Y2 are individually a C1 to C4-alkyl group, ethoxyethyl group or an aryl group; X is a negative group; and n is 1 or 2; and at least one benzoxazolocarbocyanine dye represented by the general formula WHEREIN R5 and R6 are individually a C1 to C4-alkyl or sulfoalkyl group; R7 is a C1 to C4-alkyl group; X is a negative group; and n is 1 or 2.
Inventors
- 👤 Shui Sato
- 👤 Eiichi Sakamoto
- 👤 Shizuo Saito
- 👤 Kaiichiro Sakazume
- 👤 Tokuzo Kaneko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:12
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A light-sensitive silver halide photographic material as claimed in claim 1, wherein said silver halide emulsion is an orthomatic type emulsion.
Claim 2
Dependent Claim
23 words
A light-sensitive silver halide photographic material as claimed in claim 1, wherein said silver halide emulsion has been incorporated with a magenta coupler.
References Cited (Backward Citations)
US3397060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |