US3076810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of cyclohexanone
Assignee: Honeywell International Inc
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Filing: 1960-06-15
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Granted: 1963-02-05
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Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Duggan
- 👤 Edward J Murray
- 👤 Leon O Winstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:34
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58; C; C07; C07C; C07C45/00; C07C45/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE PROCESS OF PRODUCING CYCLOHEXANONE COMPRISING HYDROGENATING PHENOL BY PASSING HYDROGEN IN CONTACT WITH PHENOL IN THE PRESENCE OF A PALLADIUM CATALYST PROMOTED BY SODIUM IN AN AMOUNT OF AT LEAST 1000 P.P.M. BASED ON THE WEIGHT OF THE CATALYST AT SUPERATMOSPHERIC PRESSURE AND A TEMPERATURE ABOVE 150*C TO 225*C. AND RECOVERING PREPONDERANTLY CYCLOHEXANONE AS A PRODUCT.
Claim 2
Dependent Claim
57 words
THE PROCESS OF PRODUCING CYCLOHEXANONE COMPRISING HYDROGENATING PHENOL BY PASSING HYDROGEN IN CONTACT WITH PHENOL IN THE PRESENCE OF A PALLADIUM CATALYST PROMOTED BY SODIUM IN AN AMOUNT OF AT LEAST 1000 P.P.M. BASED ON THE WEIGHT OF THE CATALYST AT SUPERATMOSPHERIC PRESSURE AND A TEMPERATURE ABOVE 150*C TO 225*C. AND RECOVERING PREPONDERANTLY CYCLOHEXANONE AS A PRODUCT.
References Cited (Backward Citations)
US2829166A
Cited
US2857432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |