US2759876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process
Assignee: Sinclair Refining Co
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Filing: 1951-09-01
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Granted: 1956-08-21
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Expires: 1971-09-01
Abstract
No abstract record available.
Inventors
- 👤 John W Teter
- 👤 Robert H Elkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G61/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A PROCESS FOR REFORMING A LIGHT HYDROCARBON FRACTION WHEREIN A HYDROGEN-RICH TAIL GAS FROM THE REFORMING REACTION ZONE IS RECYLCED THERETO, AND SAID FRACTION IS CONTACTED IN SAID REACTION ZONE, AT TEMPERATURE OF FROM ABOUT 850* TO 1000* F., A PRESSURE OF FROM ABOUT 250 TO ABOUT 1000 P.S.I., IN THE PRESENCE OF FROM ABOUT 5 TO ABOUT 12 MOLS OF HYDROGEN PER MOL OF HYDROCARBON, WITH AN ACIDIC-PROMOTED GEL-TYPE REFORMING CATALYST, THE IMPROVEMENT WHICH COMPRISES TREATING THE TAIL GAS WITH AN AGENT EFFECTIVE TO REMOVE CARBON DIOXIDE THEREFROM PRIOR TO RETURNING SAID TAIL GAS TO SAID REACTION ZONE.
Claim 2
Dependent Claim
100 words
IN A PROCESS FOR REFORMING A LIGHT HYDROCARBON FRACTION WHEREIN A HYDROGEN-RICH TAIL GAS FROM THE REFORMING REACTION ZONE IS RECYLCED THERETO, AND SAID FRACTION IS CONTACTED IN SAID REACTION ZONE, AT TEMPERATURE OF FROM ABOUT 850* TO 1000* F., A PRESSURE OF FROM ABOUT 250 TO ABOUT 1000 P.S.I., IN THE PRESENCE OF FROM ABOUT 5 TO ABOUT 12 MOLS OF HYDROGEN PER MOL OF HYDROCARBON, WITH AN ACIDIC-PROMOTED GEL-TYPE REFORMING CATALYST, THE IMPROVEMENT WHICH COMPRISES TREATING THE TAIL GAS WITH AN AGENT EFFECTIVE TO REMOVE CARBON DIOXIDE THEREFROM PRIOR TO RETURNING SAID TAIL GAS TO SAID REACTION ZONE.
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |