US2794056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst reactivation in the hydrogenation of phenol to cyclohexanol
Assignee: Honeywell International Inc
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Filing: 1956-01-19
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Granted: 1957-05-28
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Leon O Winstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:51
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR REACTIVATING A NICKEL CATALYST DETERIORATED BY USE IN THE LIQUID PHASE HYDROGENATION OF PHENOL WHICH COMPRISES ADDING TO THE NICKEL CATALYST A METAL SALT OF A SURFACE ACTIVE COMPOUND CONTAINING 6-30 CARBON ATOMS, SAID SALT HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
42 words
A PROCESS FOR REACTIVATING A NICKEL CATALYST DETERIORATED BY USE IN THE LIQUID PHASE HYDROGENATION OF PHENOL WHICH COMPRISES ADDING TO THE NICKEL CATALYST A METAL SALT OF A SURFACE ACTIVE COMPOUND CONTAINING 6-30 CARBON ATOMS, SAID SALT HAVING THE GENERAL FORMULA:
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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |