US2932673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor phase dehydrogenation reactions and catalysts used in promoting them
Assignee: Sinclair Refining Co
•
Filing: 1957-04-09
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Granted: 1960-04-12
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 John S Melik
- 👤 Erickson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:18
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/10; C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; C07C5/327; C07C5/333; C07C5/3332; C07C5/367; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON MATERIAL CONTAINING FROM ABOUT 2 TO 20 CARBON ATOMS WHICH COMPRISES CONTACTING SAID MATERIAL IN THE VAPOR PHASE UNDER DEHYDROGENATING CONDITIONS WITH A CATALYTIC MATERIAL CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY DIGESTING IN WATER MAGNESIUM OXIDE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDRATED TITANIUM DIOXIDE AND HYDRATED ZIRCONIUM DIOXIDE TO PRODUCE AN INTIMATE MIXTURE CONTAINING ABOUT 0.1 TO 1 MOLE OF MAGNESIUM OXIDE TO EACH MOLE OF DIOXIDE OF SAID GROUP, AND CALCINING SAID MIXTURE AT ABOUT 400 TO 700*C.
Claim 2
Independent Claim
91 words
THE METHOD OF DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON MATERIAL CONTAINING FROM ABOUT 2 TO 20 CARBON ATOMS WHICH COMPRISES CONTACTING SAID MATERIAL IN THE VAPOR PHASE UNDER DEHYDROGENATING CONDITIONS WITH A CATALYTIC MATERIAL CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY DIGESTING IN WATER MAGNESIUM OXIDE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDRATED TITANIUM DIOXIDE AND HYDRATED ZIRCONIUM DIOXIDE TO PRODUCE AN INTIMATE MIXTURE CONTAINING ABOUT 0.1 TO 1 MOLE OF MAGNESIUM OXIDE TO EACH MOLE OF DIOXIDE OF SAID GROUP, AND CALCINING SAID MIXTURE AT ABOUT 400 TO 700*C.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |