US3915710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive silver halide photographic material
Assignee: Konica Minolta Inc
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Filing: 1974-06-27
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Granted: 1975-10-28
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Expires: 1994-06-27
Abstract
Abstract This invention relates to stabilized, light-sensitive photographic material free of formation of fog comprising a fogfree silver halide emulsion and an inorganic or organic acid salt of nitron in the silver halide emulsion layer and/or a layer adjacent thereto, the amount of nitron being about 10 mg. to less than 100 mg. per mole of the silver halide.
Inventors
- 👤 Teiji Habu
- 👤 Tomio Nakajima
- 👤 Noboru Fujimori
- 👤 Takashi Sasaki
- 👤 Eiichi Sakamoto
- 👤 Kyusaku Yoshida
- 👤 Katsutoshi Machida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:35
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A STABILIZER, LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL FREE OF FORMATION OF FOG COMPRISING A FOG-FREE SILVER HALIDE EMULSION AND AN INORGANIC OR ORGANIC ACID SALT OF NITRON IN THE SILVER, HALIDE EMULSION LAYER AND/OR A LAYER ADJACENT THERETO, THE AMOUNT OF NITRON BEING ABOUT 10 MG, TO LESS THAN 100 MG, PER MOLE OF THE SILVER HALIDE.
Claim 2
Dependent Claim
55 words
A STABILIZER, LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL FREE OF FORMATION OF FOG COMPRISING A FOG-FREE SILVER HALIDE EMULSION AND AN INORGANIC OR ORGANIC ACID SALT OF NITRON IN THE SILVER, HALIDE EMULSION LAYER AND/OR A LAYER ADJACENT THERETO, THE AMOUNT OF NITRON BEING ABOUT 10 MG, TO LESS THAN 100 MG, PER MOLE OF THE SILVER HALIDE.
References Cited (Backward Citations)
US3679424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |