US3449126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fog stabilized photographic emulsion
Assignee: Eastman Kodak Co
•
Filing: 1964-12-21
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Granted: 1969-06-10
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Louis M Minsk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053; C; C08; C08F; C08F8/00; C08F8/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION HAVING A INCORPORATED THEREIN, A POLYMER CONTAINING REPEATING UNITS HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
18 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION HAVING A INCORPORATED THEREIN, A POLYMER CONTAINING REPEATING UNITS HAVING THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
45 words
A PHOTOGRAPHIC GELATIN SILVER HALIDE EMULSION HAVING INCORPORATED THEREIN, IN AN AMOUNT SUFFICIENT TO EFFECTIVELY INHIBIT FOG DURING PROLONGED INCUBATION AT HIGH TEMPERATURE AND HIGH RELATIVE HUMIDITY, A POLYMER CONSISTING OF FROM 25 TO 50 PERCENT BY WEIGHT OF REPEATING UNITS HAVING THE FOLLOWING FORMULA:
Claim 4
Dependent Claim
45 words
A PHOTOGRAPHIC GELATIN SILVER HALIDE EMULSION HAVING INCORPORATED THEREIN, IN AN AMOUNT SUFFICIENT TO EFFECTIVELY INHIBIT FOG DURING PROLONGED INCUBATION AT HIGH TEMPERATURE AND HIGH RELATIVE HUMIDITY, A POLYMER CONSISTING OF FROM 25 TO 50 PERCENT BY WEIGHT OF REPEATING UNITS HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US3316097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |