US3410909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic synthesis of ketones from aldehydes
Assignee: Eastman Kodak Co
•
Filing: 1966-06-27
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Granted: 1968-11-12
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Expires: 1986-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jean C Fleischer
- 👤 Howard S Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:19
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/10; B01J21/00; B01J21/02; B01J21/04; B01J23/02; B01J23/04; B01J23/12; C; C07; C07C; C07C45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA512123A
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US1755193A
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US1892742A
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US2474440A
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US2664446A
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US3163612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |