US3206313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
Assignee: Eastman Kodak Co
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Filing: 1961-05-15
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Granted: 1965-09-14
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henry D Porter
- 👤 Wesley G Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:29
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A LIGHT-SENSITIVE PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING SILVER HALIDE GRAINS HAVIG HIGH INTERNAL SENSITIVITY, SAID GRAMS COMPRISING A CENTRAL CORE OF CHEMICALLY SENSITIZED SILVER HALIDE AND COVERING SAID CENTRAL CORE AN
Claim 2
Dependent Claim
31 words
A LIGHT-SENSITIVE PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING SILVER HALIDE GRAINS HAVIG HIGH INTERNAL SENSITIVITY, SAID GRAMS COMPRISING A CENTRAL CORE OF CHEMICALLY SENSITIZED SILVER HALIDE AND COVERING SAID CENTRAL CORE AN
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |