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Patent US2742406A successfully refreshed from Google Patents.
US2742406A
Expired / Lapsed
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Method of compensating for uneven coke deposition in the catalyst bed in a hydrogenolysis process
Assignee: Phillips Petroleum Co
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Filing: 1951-09-24
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Granted: 1956-04-17
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Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Carl A Post
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:50
CPC Classifications
C; C10; C10G; C10G47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN IMPROVED PROCESS OF HYDROGENILYSIS COMPRISING PASSING A MIXTURE OF HYDROGEN GAS AND VAPORIZED RESIDUAL HYDROCARBON STOCK DOWNWARDLY THROUGH A REACTION ZONE UNDER A PRESSURE OF 500 TO 20,000 P.S.I. AND IN THE PRESENCE OF A FIXED BED OF HYDROGENOLYSIS CATALYST MAINTAINED AT A TEMPERATURE OF 800 TO 1000* F., SAID REACTION ZONE BEING DIVIDED INTO A PLURALITY OF SECTION PHYSICALLY SEPARATED BUT ARRANGED TO PERMIT THE REACTANTS TO FLOW IN SERIES THROUGH THEM, THE REACTANTS ARE CONTINUOUSLY ADMITTED TO THE UPPERMOST SECTION AND THE REACTION PRODUCT CONTINUOUSLY WITHDRAWN FROM THE LOWERMOST SECTION OF THE SERIES, LOCALIZING THE REGION OF MIXIMUM COKE DEPOSITION ON THE CATALYST TO ONE OF THE UPPER SECTIONS BY SUITABLE ADJUSTMENT OF THE REACTION CONDITIONS AND THE INLET TEM-
Claim 2
Dependent Claim
123 words
AN IMPROVED PROCESS OF HYDROGENILYSIS COMPRISING PASSING A MIXTURE OF HYDROGEN GAS AND VAPORIZED RESIDUAL HYDROCARBON STOCK DOWNWARDLY THROUGH A REACTION ZONE UNDER A PRESSURE OF 500 TO 20,000 P.S.I. AND IN THE PRESENCE OF A FIXED BED OF HYDROGENOLYSIS CATALYST MAINTAINED AT A TEMPERATURE OF 800 TO 1000* F., SAID REACTION ZONE BEING DIVIDED INTO A PLURALITY OF SECTION PHYSICALLY SEPARATED BUT ARRANGED TO PERMIT THE REACTANTS TO FLOW IN SERIES THROUGH THEM, THE REACTANTS ARE CONTINUOUSLY ADMITTED TO THE UPPERMOST SECTION AND THE REACTION PRODUCT CONTINUOUSLY WITHDRAWN FROM THE LOWERMOST SECTION OF THE SERIES, LOCALIZING THE REGION OF MIXIMUM COKE DEPOSITION ON THE CATALYST TO ONE OF THE UPPER SECTIONS BY SUITABLE ADJUSTMENT OF THE REACTION CONDITIONS AND THE INLET TEM-
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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |