Patent US3573915A successfully refreshed from Google Patents.
US3573915A
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US
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Photographic silver halide emulsions containing nitrosubstituted or unisubstituted cinnamic acid or cinnamaldehyde
Assignee: GAF Corp
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Filing: 1966-11-16
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Granted: 1971-04-06
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Expires: 1986-11-16
Abstract
Abstract A LIGHT-SENSITIVE SILVER HALIDE MATERIAL HAVING THEREON A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER AND CONTAINING, IN THE LIGHT-SENSITIVE SILVER HALIDE LAYER OR IN A LAYER IN CONTACT THEREWITH, AS AN ANTIFOGGANT AND STABILIZER A COMPOUND HAVING THE FORMULA: ((NO2)(N-1)-PHENYL)-CH=CH-R WHERE R IS EITHER -COOH OR -CO-H AND N IS 1 OR 2.
Inventors
- 👤 Giacomo Luciani
- 👤 Fritz Dersch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:30
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/047; G03C1/06; G03C1/34
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |