US3062654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of photographic silver halide emulsions
Assignee: Eastman Kodak Co
•
Filing: 1959-07-17
•
Granted: 1962-11-06
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Frank D Allen
- 👤 Arthur H Herz
- 👤 Norman W Kalenda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:11
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346; C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED WITH A WATER-SOLUBLE COMPOUND SELECTED FROM THE CLASS REPRESENTED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
19 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED WITH A WATER-SOLUBLE COMPOUND SELECTED FROM THE CLASS REPRESENTED BY THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
15 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION AS DEFINED IN CLAIM 1, SAID EMULSION BEING GOLD SENSITIZED.
References Cited (Backward Citations)
US1742042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |