Patent US2697064A successfully refreshed from Google Patents.
US2697064A
Expired / Lapsed
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Desulfurization and reforming of hydrocarbon fractions
Assignee: Universal Oil Products Co
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Filing: 1953-07-13
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Granted: 1954-12-14
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Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:18
CPC Classifications
C; C10; C10G; C10G61/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A COMBINATION DESULFURIZING AND REFORMING PROCESS WHICH COMPRISES SUBJECTING A SULFUR-CONTAINING HYDROCARBON FRACTION TO DESULFURIZATION TREATMENT IN THE PRESENCE OF HYDROGEN AND A DESULFURIZING CATALYST, COMMINGLING AT LEAST A PORTION OF THE EFFLUENT FROM THE TREATING ZONE WITH SULFUR DIOXIDE, CONTACTING THE RESULTANT MIXTURE WITH AN OXIDIZING CATALYST AT OXIDATION CONDITIONS, SEPARATING THE EFFLUENT FROM THE OXIDATION ZONE INTO A SUBSTANTIALLY SULFUR FREE HYDROCARBON FRACTION AND OF SAID ELEMENTAL SULFUR FRACTION, BURNING AT LEAST A PORTION OF SAID ELEMENTAL SULFUR FRACTION TO PRODUCE SULFUR DIOXIDE TO BE USED IN SAID OXIDATION ZONE, SUBJECTING SAID SUBSTANTIALLY SULFUR FREE HYDROCARBON FRACTION TO REFROMING IN THE PRESENCE OF A REFORMING CATALYST, SEPARATING THE REFORMING ZONE EFFLUENT INTO A LIQUID PHASE AND A GAS PHASE, AND SUPPLY-
Claim 2
Dependent Claim
123 words
A COMBINATION DESULFURIZING AND REFORMING PROCESS WHICH COMPRISES SUBJECTING A SULFUR-CONTAINING HYDROCARBON FRACTION TO DESULFURIZATION TREATMENT IN THE PRESENCE OF HYDROGEN AND A DESULFURIZING CATALYST, COMMINGLING AT LEAST A PORTION OF THE EFFLUENT FROM THE TREATING ZONE WITH SULFUR DIOXIDE, CONTACTING THE RESULTANT MIXTURE WITH AN OXIDIZING CATALYST AT OXIDATION CONDITIONS, SEPARATING THE EFFLUENT FROM THE OXIDATION ZONE INTO A SUBSTANTIALLY SULFUR FREE HYDROCARBON FRACTION AND OF SAID ELEMENTAL SULFUR FRACTION, BURNING AT LEAST A PORTION OF SAID ELEMENTAL SULFUR FRACTION TO PRODUCE SULFUR DIOXIDE TO BE USED IN SAID OXIDATION ZONE, SUBJECTING SAID SUBSTANTIALLY SULFUR FREE HYDROCARBON FRACTION TO REFROMING IN THE PRESENCE OF A REFORMING CATALYST, SEPARATING THE REFORMING ZONE EFFLUENT INTO A LIQUID PHASE AND A GAS PHASE, AND SUPPLY-
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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |