US3824103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic element,composition and process having an s-carbamoyl stabilizer
Assignee: Eastman Kodak Co
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Filing: 1972-05-08
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Granted: 1974-07-16
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Expires: 1992-05-08
Abstract
Abstract S-CARBONYL SILVER SALT STABILIZER PERCURSORS ARE USEFUL IN PHOTOGRAPHIC ELEMENTS AND COMPOSITIONS FOR STABIILIZING AN IMAGE IN PROCESSING BY HEAT OR BY TREATMENT WITH AMMONIA OR AMINE VAPOR. THE PHOTOGRAPHIC ELEMENTS AND COMPOSITIONS CAN CONTAIN ADDENDA EMPLOYED IN PHOTOGRAPHIC MATERIALS SUCH AS SILVER HALIDE DEVELOPING AGENTS.
Inventors
- 👤 Z Pierce
- 👤 G Haist
- 👤 J Staples
- 👤 D Pupo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:15
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/43; G03C5/00; G03C5/26; 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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |