Patent US3558313A successfully refreshed from Google Patents.
US3558313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water wash for stabilized silver halide photographic materials
Assignee: Fujifilm Holdings Corp
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Filing: 1966-02-24
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Granted: 1971-01-26
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Expires: 1986-02-24
Abstract
Abstract AN IMPROVED PROCESS FOR STABILIZING A DEVELOPED SILVER HALIDE LIGHT-SENSITIVE MATERIAL UTILIZING A THIOCYANATE OR THIOUREA WHICH FURTHER COMPRISES SUBJECTING THE LIGHTSENSITIVE MATERIAL TO A WASHING BATH TREATMENT WHEREIN THE WASHING FLUID COMPRISES WATER AS THE SOLE COMPONENT WHICH IS UTILIZED TO REMOVE STABILIZING AGENTS, THE WASHING BATH BEING CONDUCTED FOR A PERIOD OF TIME SHORTER THAN SIXTY SECONDS AFTER EXPOSING, DEVELOPING AND STABILIZING SAID LIGHT-SENSITIVE MATERIAL.
Inventors
- 👤 Shunichiro Tsuchida
- 👤 Tomiaki Miyata
- 👤 Michihiko Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:50
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/268; G03C5/38; G03C5/39
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |