US3047393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of thiosulfonic acids as antifoggants
Assignee: Eastman Kodak Co
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Filing: 1960-01-11
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Granted: 1962-07-31
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Herz
- 👤 Frank D Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
C; C07; C07C; C07C381/00; C07C381/04; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED BY THE ADDITION THERETO OF FROM 0.05 TO 10 G. PER MOLE OF SILVER HALIDE OF AN ESTER SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
33 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED BY THE ADDITION THERETO OF FROM 0.05 TO 10 G. PER MOLE OF SILVER HALIDE OF AN ESTER SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 3
Dependent Claim
32 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED BY THE ADDITION THERETO OF FROM 0.05 TO 10 G. PER MOLE OF SILVER HALIDE OF AN ESTER SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING FORMULA:
Claim 4
Dependent Claim
32 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION STABILIZED BY THE ADDITION THERETO OF FROM 0.05 TO 10 G. PER MOLE OF SILVER HALIDE OF AN ESTER SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2394198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |