US2566263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing photographic emulsions with chloropalladites and chloroplatinites
Assignee: Eastman Kodak Co
•
Filing: 1947-12-19
•
Granted: 1951-08-28
•
Expires: 1967-12-19
Abstract
No abstract record available.
Inventors
- 👤 Adrian P H Trivelli
- 👤 William F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:18
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A STABILIZED SILVER HALIDE EMULSION CONTAINING SILVER HALIDE AS THE SOLE SENSITIVE INGREDIENT AND CONTAINING FROM 2.25 GRAM TO 3.9 GRAMS PER KILOGRAM OF SILVER NITRATE CONVERTED TO SILVER HALIDE IN MAKING THE EMULSION, OF A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
40 words
A STABILIZED SILVER HALIDE EMULSION CONTAINING SILVER HALIDE AS THE SOLE SENSITIVE INGREDIENT AND CONTAINING FROM 2.25 GRAM TO 3.9 GRAMS PER KILOGRAM OF SILVER NITRATE CONVERTED TO SILVER HALIDE IN MAKING THE EMULSION, 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 |