Patent US3062646A successfully refreshed from Google Patents.
US3062646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitization of silver halide emulsions with macrocyclic compounds
Assignee: Eastman Kodak Co
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Filing: 1959-03-06
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Granted: 1962-11-06
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Expires: 1979-03-06
Abstract
No abstract record available.
Inventors
- 👤 John R Dann
- 👤 Jr John W Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/09; C; C07; C07D; C07D285/00; C07D291/00; C07D291/02; C07D327/00; C07D513/00; C07D513/02; C07D513/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD FOR PRODUCING A PHOTOGRAPHIC IMAGE COMPRISING DEVELOPING AN EXPOSED PHOTOGRAPHIC SILVER HALIDE EMULSION IN THE PRESENCE OF A MACROCYCLIC COMPOUND SELECTED FROM THE CLASS REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Independent Claim
32 words
A METHOD FOR PRODUCING A PHOTOGRAPHIC IMAGE COMPRISING DEVELOPING AN EXPOSED PHOTOGRAPHIC SILVER HALIDE EMULSION IN THE PRESENCE OF A MACROCYCLIC COMPOUND SELECTED FROM THE CLASS REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
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 |