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US2739971A
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5-benzal-3-n-cetyl-2-phenylimino-4-thiazolidone
Assignee: Eastman Kodak Co
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Filing: 1954-03-29
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Granted: 1956-03-27
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 George W Sawdey
- 👤 James A Van Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61Q; A61Q17/00; A61Q17/04; C; C07; C07D; C07D277/00; C07D277/02; C07D277/20
Claims Analysis
Total Claims: 0
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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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |