US3062652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardening of gelatin with oxy plant gums
Assignee: Eastman Kodak Co
•
Filing: 1959-06-24
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Granted: 1962-11-06
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Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Roy A Jeffreys
- 👤 Bryan E Tabor
- 👤 Donald M Burness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:36
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30; G03C1/303
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
30 words
A COMPOSITION OF MATTER COMPRISING GELATIN CONTAINING AS A HARDENER THEREIN 0.5-5%, BASED ON THE WEIGHT OF THE GELATIN, OF THE PRODUCT OBTAINED BY THE PERIODATE OXIDATION OF PLANT GUM.
Claim 2
Dependent Claim
30 words
A COMPOSITION OF MATTER COMPRISING GELATIN CONTAINING AS A HARDENER THEREIN 0.5-5%, BASED ON THE WEIGHT OF THE GELATIN, OF THE PRODUCT OBTAINED BY THE PERIODATE OXIDATION OF PLANT GUM.
Claim 3
Dependent Claim
47 words
A COMPOSITION OF MATTER COMPRISING GELATIN CONTAINING AS A HARDENER THEREIN 0.5-5%, BASED ON THE WEIGHT OF THE GELATIN, OF THE PRODUCT OBTAINED BY THE PERIODATE OXIDATION OF PLANT GUM AND, IN ADDITION, A DYE-DEVELOPER COMPOUND, SAID COMPOUND BEING BOTH A DYE AND SILVER HALIDE DEVELOPING AGENT.
Claim 4
Dependent Claim
47 words
A COMPOSITION OF MATTER COMPRISING GELATIN CONTAINING AS A HARDENER THEREIN 0.5-5%, BASED ON THE WEIGHT OF THE GELATIN, OF THE PRODUCT OBTAINED BY THE PERIODATE OXIDATION OF PLANT GUM AND, IN ADDITION, A DYE-DEVELOPER COMPOUND, SAID COMPOUND BEING BOTH A DYE AND SILVER HALIDE DEVELOPING AGENT.
References Cited (Backward Citations)
US2059817A
Cited
US2472590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |