Patent US2833832A successfully refreshed from Google Patents.
US2833832A
Expired / Lapsed
US
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Oxidative dehydrogenation of cyclohexane
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-03-26
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Granted: 1958-05-06
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Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 John E Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:16
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR THE PRODUCTION OF BENZENE BY OXIDATIVE DEPHYDROGENATION OF CYCLOHEXANE AND A FAS CONTAINING FREE ING A MIXTURE OF CYCLOHEXANE AND GAS CONTAINING FREE OXYGEN IN CONTACT WITH A CATALYST COMPRISING COPPER CHLORIDE, COBALT CHLORIDE, AND FERRIC CHLORIDE DEPOSITED ON ALUMINA AT TEMPERATURES IN THE RANGE FROM ABOU 250*C. TO ABOUT 400*C. AND SEPARATING BENZXENE.
Claim 2
Dependent Claim
57 words
A PROCESS FOR THE PRODUCTION OF BENZENE BY OXIDATIVE DEPHYDROGENATION OF CYCLOHEXANE AND A FAS CONTAINING FREE ING A MIXTURE OF CYCLOHEXANE AND GAS CONTAINING FREE OXYGEN IN CONTACT WITH A CATALYST COMPRISING COPPER CHLORIDE, COBALT CHLORIDE, AND FERRIC CHLORIDE DEPOSITED ON ALUMINA AT TEMPERATURES IN THE RANGE FROM ABOU 250*C. TO ABOUT 400*C. AND SEPARATING BENZXENE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |