Patent US4108668A successfully refreshed from Google Patents.
US4108668A
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Light-sensitive silver halide photographic materials
Assignee: Konica Minolta Inc
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Filing: 1977-04-29
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Granted: 1978-08-22
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Expires: 1997-04-29
Abstract
Abstract Novel light-sensitive silver halide photographic materials comprising at least one sensitizing dye having the following formula: ##STR1## wherein Z represents a non-metallic atom group necessary for completing a three membered heterocyclic ring, R represents an alkyl or a substituted alkyl radical, R 1 and R 2 represent hydrogen atoms or lower alkyl radicals, R 3 represents a hydrogen atom, an alkyl or alkoxyl radical, m represents an integer of 0 or 1, X represents an acid anion and forms an inner salt when m is 0, and n represents an integer of 1 or 2.
Inventors
- 👤 Kaiichiro Sakazume
- 👤 Noboru Fujimori
- 👤 Eiichi Sakamoto
- 👤 Hidehiko Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:29
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/14; G03C1/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
47 words
A light sensitive silver halide photographic material containing at least one sensitizing dye selected from the group consisting of: (1) 1'-Carbamoylmethyl-3-ethyl-6,7-benzothia-4'-carbocyanine chloride, (2) 1'-Carbamoylmethyl-3-ethyl-4,5-benzothia-4'-carbocyanine iodide, (3) 1'-Carbamoylmethyl-3-ethyl-6-methoxy-4,5-benzothia-4'-carbocyanine chloride, (4) 1'-Carbamoylmethyl-3-ethyl-6'-methyl-4,5-benzothia-4'-carbocyanine chloride, (5) 1'-Carbamoylmethyl-3-ethyl-6'-methoxy-4,5-benzothia-4'-carbocyanine chloride, (6) 1'-Diethylcarbamoylmethyl-3-ethyl-4,5-benzothia-4'-cyanine iodide, (7) Anhydro-1'-carbamoylmethyl-3-(3-sulfopropyl)-5,6-benzothia-4'-carbocyanine hydroxide, (8) 1'-Carbamoylmethyl-3-ethyl-6,7-benzoselena-4'-carbocyanine chloride, and (9) 1'-Carbamoylmethyl-3-ethyl-4,5-benzoxa-4'-carbocyanine iodide.
Claim 2
Dependent Claim
47 words
A light sensitive silver halide photographic material containing at least one sensitizing dye selected from the group consisting of: (1) 1'-Carbamoylmethyl-3-ethyl-6,7-benzothia-4'-carbocyanine chloride, (2) 1'-Carbamoylmethyl-3-ethyl-4,5-benzothia-4'-carbocyanine iodide, (3) 1'-Carbamoylmethyl-3-ethyl-6-methoxy-4,5-benzothia-4'-carbocyanine chloride, (4) 1'-Carbamoylmethyl-3-ethyl-6'-methyl-4,5-benzothia-4'-carbocyanine chloride, (5) 1'-Carbamoylmethyl-3-ethyl-6'-methoxy-4,5-benzothia-4'-carbocyanine chloride, (6) 1'-Diethylcarbamoylmethyl-3-ethyl-4,5-benzothia-4'-cyanine iodide, (7) Anhydro-1'-carbamoylmethyl-3-(3-sulfopropyl)-5,6-benzothia-4'-carbocyanine hydroxide, (8) 1'-Carbamoylmethyl-3-ethyl-6,7-benzoselena-4'-carbocyanine chloride, and (9) 1'-Carbamoylmethyl-3-ethyl-4,5-benzoxa-4'-carbocyanine iodide.
Claim 3
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-6,7-benzothia-4'-carbocyanine chloride.
Claim 4
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-4,5-benzothia-4'-carbocyanine iodide.
Claim 5
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-6-methoxy-4,5-benzothia-4'-carbocyanine chloride.
Claim 6
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-6'-methyl-4,5-benzothia-4'-carbocyanine chloride.
Claim 7
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-6'-methoxy-4,5-benzothia-4'-carbocyanine chloride.
Claim 8
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-diethylcarbamoylmethyl-3-ethyl-4,5-benzothia-4'-cyanine iodide.
Claim 9
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is anhydro-1'-carbamoylmethyl-3-(3-sulfopropyl)-5,6-benzothia-4'-carbocyanine hydroxide.
Claim 10
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-6,7-benzoselena-4'-carbocyanine iodide.
Claim 11
Dependent Claim
12 words
The photographic materials of claim 1, wherein the compound is 1'-carbamoylmethyl-3-ethyl-4,5-benzoxa-4'-carbocyanine iodide.
References Cited (Backward Citations)
US2776280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-08-21 | 1982-02-20 | 1982-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-08-21 | 1986-02-20 | 1986-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-08-21 | 1990-02-20 | 1990-08-22 | $7700.00 | Window Closed / Lapsed |