US2958654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic desulfurization of blend of a reformer feed and a furnace oil
Assignee: Sunoco Inc
•
Filing: 1958-06-30
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Granted: 1960-11-01
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Earl M Honeycutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:23
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A PROCESS FOR THE SIMULTANEOUS DESULFURIZATION OF REFORMER FEED STOCKS AND FURNACE OILS WHICH COMPRISES BLENDING A SULFUR-CONTAINING STRAIGHT RUN PETROLEUM NAPHTHA BOILING IN THE GASOLINE BOILING RANGE WITH A SULFURCONTAINING GAS OIL IN PROPORTIONS SUCH THAT THE CRITICAL TEMPERATURE OF THE BLEND IS AT LEAST 650*F., AND THE SULFUR CONTENT OF THE BLEND IS LESS THAN 1%, CONTACTING THE BLEND WITH A SULFUR-RESISTANT HYDROGENATION CATALYST, IN THE PRESENCE OF HYDROGEN, AT A TEMPERATURE OF FROM ABOUT 600* F. TO ABOUT 800*F., BUT LESS THAN THE CRITICAL TEMPERATURE OF THE BLEND, AND AT A PRESSURE IN EXCESS OF ABOUT 400 P.S.I.G., AND SUFFICIENT TO MAINTAIN THE BLEND IN LIQUID PHASE WHILE IN CONTACT WITH THE CATALYST, RECOVERING A REACTION PRODUCT, AND SEPARATING THE REACTION PRODUCT INTO A SUBSTANTIALLY DESULFURIZED NAPHTHA FRACTION AND A SUBSTANTIALLY DESULFURIZED GAS OIL FRACTION.
Claim 2
Dependent Claim
138 words
A PROCESS FOR THE SIMULTANEOUS DESULFURIZATION OF REFORMER FEED STOCKS AND FURNACE OILS WHICH COMPRISES BLENDING A SULFUR-CONTAINING STRAIGHT RUN PETROLEUM NAPHTHA BOILING IN THE GASOLINE BOILING RANGE WITH A SULFURCONTAINING GAS OIL IN PROPORTIONS SUCH THAT THE CRITICAL TEMPERATURE OF THE BLEND IS AT LEAST 650*F., AND THE SULFUR CONTENT OF THE BLEND IS LESS THAN 1%, CONTACTING THE BLEND WITH A SULFUR-RESISTANT HYDROGENATION CATALYST, IN THE PRESENCE OF HYDROGEN, AT A TEMPERATURE OF FROM ABOUT 600* F. TO ABOUT 800*F., BUT LESS THAN THE CRITICAL TEMPERATURE OF THE BLEND, AND AT A PRESSURE IN EXCESS OF ABOUT 400 P.S.I.G., AND SUFFICIENT TO MAINTAIN THE BLEND IN LIQUID PHASE WHILE IN CONTACT WITH THE CATALYST, RECOVERING A REACTION PRODUCT, AND SEPARATING THE REACTION PRODUCT INTO A SUBSTANTIALLY DESULFURIZED NAPHTHA FRACTION AND A SUBSTANTIALLY DESULFURIZED GAS OIL FRACTION.
References Cited (Backward Citations)
US2793170A
Cited
US2897143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |