Patent US2960404A successfully refreshed from Google Patents.
US2960404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatin coating compositions
Assignee: Eastman Kodak Co
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Filing: 1956-06-04
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Granted: 1960-11-15
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Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Kirby M Milton
- 👤 Jr Thomas F Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:00
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
AN IMPROVED GELATIN COMPOSITION PREDOMINANTLY CONSISTING OF AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN 5-25%, BASED ON THE WEIGHT OF THE GELATIN, OF A DIHYDROXY ALKANE WHICH CONTAINS, EXCEPT FOR THE HYDROXYL GROUPS THEREIN, ONLY DIHYDROXY ALKANE BEING SEPARATED BY 1% AND VANADIUM UP TO A MAXIMUM OF 1%, THE BALANCE AT LEAST OF THE CARBON ATOMS.
Claim 2
Dependent Claim
57 words
AN IMPROVED GELATIN COMPOSITION PREDOMINANTLY CONSISTING OF AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN 5-25%, BASED ON THE WEIGHT OF THE GELATIN, OF A DIHYDROXY ALKANE WHICH CONTAINS, EXCEPT FOR THE HYDROXYL GROUPS THEREIN, ONLY DIHYDROXY ALKANE BEING SEPARATED BY 1% AND VANADIUM UP TO A MAXIMUM OF 1%, THE BALANCE AT LEAST OF THE CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |