US3128186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized photographic silver halide emulsions
Assignee: General Foods Corp
•
Filing: 1960-07-15
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Granted: 1964-04-07
•
Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 Leo D Corben
- 👤 Steigmann Ernst Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PHOTOGRAPHIC GELATING SILVER HALIDE EMULSION IN CLOSE ASSOCIATION WITH AN ANTIFOGGING AGENT SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF 6-THIOCTIC ACID, ALKALI METAL SALTS OF 6-THIOCTIC ACID, AND ALKALINE EARTH METAL SALTS OF 6-THIOCTIC ACID, SAID AGENT BEING PRESENT IN FOG-INHIBITING AMOUNTS.
Claim 2
Dependent Claim
45 words
A PHOTOGRAPHIC GELATING SILVER HALIDE EMULSION IN CLOSE ASSOCIATION WITH AN ANTIFOGGING AGENT SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF 6-THIOCTIC ACID, ALKALI METAL SALTS OF 6-THIOCTIC ACID, AND ALKALINE EARTH METAL SALTS OF 6-THIOCTIC ACID, SAID AGENT BEING PRESENT IN FOG-INHIBITING AMOUNTS.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |