US3585248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur oxide dehydrogenation of organic compounds
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1968-12-02
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Granted: 1971-06-15
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Expires: 1988-12-02
Abstract
Abstract ORGNIC COMPOUNDS HAVING A DEHYDROGENATABLE CARBON TO CARBON BOND ARE DEHYDROGENATED IN A VAPOR PHASE REACTION BY CONTACT WITH A SULFUR OXIDE OVER A LOW SURFACE AREA CATALYST. YIELDS OF THE DEHYDROGENATED, I.E., MORE UNSATURATED PRODUCT AND/OR CATALYST LIFE CAN BE INCREASED BY UTILIZING A CATALYST CONTAINING MINOR AMOUNTS OF AN ALKALIA OR ALKALINE EARTH METAL.
Inventors
- 👤 Israel S Pasternak
- 👤 Noel J Gaspar
- 👤 Abraham D Cohen
- 👤 Mohan Vadekar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:24
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/46; C07C5/54
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |