Patent US3232764A successfully refreshed from Google Patents.
US3232764A
Expired / Lapsed
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Gelatin compositions adapted for the preparation of hardened coatings
Assignee: Eastman Kodak Co
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Filing: 1965-05-25
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Granted: 1966-02-01
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles F H Allen
- 👤 Donald M Burness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:47
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30; G03C1/301
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN IMAGE FORMING ARTICLE OF MANUFACTURE COMPRISING AT LEAST ONE GELATIN LAYER, THE GELATIN OF WHICH HAS A JELLY STRENGTH OF AT LEAST 150 G. BLOOM AND CONTAINS AT LEAST 0.5%, BASED ON THE WEIGHT OF THE GELATIN, OF A HARDENER SELECTED FROM THE GROUP CONSISTING OF THE DIALDEHYDES, THE ALDEHYDE GROUPS OF WHICH ARE JOINED BY A LINEAR CARBON CHAIN OF 2-3 CARBON ATOMS AND THE BISULFITE DERIVATIVES THEREOF.
Claim 2
Dependent Claim
70 words
AN IMAGE FORMING ARTICLE OF MANUFACTURE COMPRISING AT LEAST ONE GELATIN LAYER, THE GELATIN OF WHICH HAS A JELLY STRENGTH OF AT LEAST 150 G. BLOOM AND CONTAINS AT LEAST 0.5%, BASED ON THE WEIGHT OF THE GELATIN, OF A HARDENER SELECTED FROM THE GROUP CONSISTING OF THE DIALDEHYDES, THE ALDEHYDE GROUPS OF WHICH ARE JOINED BY A LINEAR CARBON CHAIN OF 2-3 CARBON ATOMS AND THE BISULFITE DERIVATIVES THEREOF.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |