US3897369A
Expired / Lapsed
US
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Catalyst
Assignee: Phillips Petroleum Co
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Filing: 1973-12-03
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Granted: 1975-07-29
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Expires: 1993-12-03
Abstract
Abstract Organic compounds, particularly hydrocarbons, are oxidatively dehydrogenated to more unsaturated compounds by contact, under reactions conditions, with air, steam and a calcined solid catalyst composition comprising tungsten, tin and at least one metal of the iron subgroup of Group VIII. In one embodiment, isopentene is converted to isoprene over a nickel/tungsten/tin/oxygen catalyst at a conversion of 36 percent and with a modivity (modified selectivity) of 72 percent.
Inventors
- 👤 Brent J Bertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/888; C; C07; C07C; C07C5/00; C07C5/42; C07C5/48
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
31 words
A CALCINIED SOLID OXIDATIVE DEHYDROGENATION CATALYST COMPOSITION CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT, IN ASSOCIATION WITH TUNGSTEN, TIN AND OXYGEN, CHARACTERIZED BY THE FORMULE
Claim 2
Dependent Claim
31 words
A CALCINIED SOLID OXIDATIVE DEHYDROGENATION CATALYST COMPOSITION CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT, IN ASSOCIATION WITH TUNGSTEN, TIN AND OXYGEN, CHARACTERIZED BY THE FORMULE
Claim 3
Dependent Claim
12 words
A catalyst composition according to claim 1 wherein said metal is nickel.
Claim 4
Dependent Claim
12 words
A catalyst composition according to claim 2 having the empirical formula NiW0.24Sn0.20Oz.
Claim 5
Dependent Claim
12 words
A catalyst composition according to claim 1 wherein said metal is cobalt.
References Cited (Backward Citations)
US3692863A
Cited
US3786000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |