US2904434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticization of gelatin
Assignee: Eastman Kodak Co
•
Filing: 1957-05-31
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Granted: 1959-09-15
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Kirby M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:49
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/31; C; C09; C09H; C09H7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A GELATIN COATING COMPOSITION COMPRISING AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN 5-40%, BASED ON THE WEIGHT OF THE GELATIN, OF AN ESTER HAVING THE FORMULA:
Claim 2
Dependent Claim
26 words
A GELATIN COATING COMPOSITION COMPRISING AN AQUEOUS SOLUTION OF GELATIN CONTAINING THEREIN 5-40%, BASED ON THE WEIGHT OF THE GELATIN, OF AN ESTER HAVING THE FORMULA:
References Cited (Backward Citations)
US1757482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |