US3698907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive silver halide color-photographic material
Assignee: Konica Minolta Inc
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Filing: 1970-12-23
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Granted: 1972-10-17
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Expires: 1990-12-23
Abstract
Abstract AN ULTRAVIOLET ABSORBER OF THE HYDROXYBENZOTRIAZOLE TYPE IS STABLY INCORPORATED INTO A LIGHT-SENSITIVE SILVER HALIDE COLOR-PHOTOGRAPHIC MATERIAL SO AS TO IMPROVE THE RESULTING COLORED DYE IMAGE IN LIGHT FASTNESS.
Inventors
- 👤 Shui Sato
- 👤 Sadao Sugita
- 👤 Tomio Nakajima
- 👤 Keiji Kasai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:57
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |