US2566245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex compounds of the platinum group as photographic fog inhibitors
Assignee: Eastman Kodak Co
•
Filing: 1947-08-02
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Granted: 1951-08-28
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Expires: 1967-08-02
Abstract
No abstract record available.
Inventors
- 👤 Adrian Peter H Trivelli
- 👤 William F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:22
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A STABILIZED HALIDE EMULSION CONTAINING SILVER HALIDE AS THE SOLE SENSITIVE INGREDIENT AND CONTAINING FROM 0.25 GRAM TO 3.9 GRAMS PER KILOGRAM OF SILVER NITRATE OF A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
31 words
A STABILIZED HALIDE EMULSION CONTAINING SILVER HALIDE AS THE SOLE SENSITIVE INGREDIENT AND CONTAINING FROM 0.25 GRAM TO 3.9 GRAMS PER KILOGRAM OF SILVER NITRATE OF A COMPOUND HAVING THE STRUCTURE
References Cited (Backward Citations)
US1120429A
Cited
US1120580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |