US3929486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic material containing a sensitizing and stabilizing combination of a polyalkylene oxide, a tetrazaindene and a resorcinol derivative
Assignee: Konica Minolta Inc
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Filing: 1974-05-08
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Granted: 1975-12-30
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Expires: 1994-05-08
Abstract
Abstract This invention relates to a light-sensitive silver halide photographic material having a photographic layer incorporated with a polyalkylene oxide type compound, a tetrazaindene type compound and a resorcinol type compound.
Inventors
- 👤 Teiji Habu
- 👤 Tomio Nakajima
- 👤 Eiichi Sakamoto
- 👤 Kenzi Kadokura
- 👤 Kyusaku Yoshida
- 👤 Katsutoshi Machida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; G03C1/06; G03C1/34
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
83 words
A LIGHT-SEMSITIVE SILVER HALIDE PHOTOGRAPHIC MATERIAL WHICH COMPRISES A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AND AN ADJACENT LAYER THEREOF, AT LEAST ONE OF WHICH CONTAINS 0.01 TO 5 G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND SELECTED FROM POLYALKYLENE OXIDE COMPOUNDS; 0.1 TO 50G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND SELECTED FROM TETRAZAINDENE COMPOUNDS; AND 0.1 TO 50G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND REPRESENTED BY THE GENERAL FORMULA I OR II,
Claim 2
Dependent Claim
83 words
A LIGHT-SEMSITIVE SILVER HALIDE PHOTOGRAPHIC MATERIAL WHICH COMPRISES A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AND AN ADJACENT LAYER THEREOF, AT LEAST ONE OF WHICH CONTAINS 0.01 TO 5 G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND SELECTED FROM POLYALKYLENE OXIDE COMPOUNDS; 0.1 TO 50G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND SELECTED FROM TETRAZAINDENE COMPOUNDS; AND 0.1 TO 50G, PER MOLE OF SILVER HALIDE, OF AT LEAST ONE COMPOUND REPRESENTED BY THE GENERAL FORMULA I OR II,
Claim 3
Dependent Claim
21 words
A light-sensitive silver halide photographic material according to claim 1 wherein said tetrazaindene compounds are represented by the following general formula:
Claim 4
Dependent Claim
44 words
A light-sensitive silver halide photographic material according to claim 1 wherein the weight ratio of the amount of the compound represented by the general formula I or II to the amount of the tetrazaindene compound is from 0.1 - 1 to 10 - 1.
Claim 5
Dependent Claim
26 words
A light-sensitive silver halide photographic materila according to claim 1 wherein the compound of the general formula I or II is selected from the following compounds:
References Cited (Backward Citations)
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US2716062A
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US3236652A
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US3457079A
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US3563754A
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US3671258A
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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) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |