Patent US3770812A successfully refreshed from Google Patents.
US3770812A
Expired / Lapsed
US
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Catalytic formation of double bonds
Assignee: Eastman Kodak Co
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Filing: 1970-05-28
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Granted: 1973-11-06
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Expires: 1990-05-28
Abstract
Abstract IN THE IODINE-CATALYZED OXIDATIVE DEHYDROGENATION OF ORGANIC COMPOUNDS, IT HAS BEEN FOUND THAT THE USE OF CATALYST PROMOTER COMPOSITIONS CONSISTING ESSENTIALLY OF ABOUT 0.01 TO 1 PERCENT BY WEIGHT VANADIA OR IRON OXIDE ON AN INERT SUPPORT INCREASES CONVERSIONS AND YIELDS AT LOWER DEHYDROGENATION TEMPERATURES.
Inventors
- 👤 A Blood
- 👤 M Statman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:23
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/54; C07C5/56
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |