US2717864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partial hydrogenation of feed oils employed in catalytic cracking to produce motor fuels
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-05-26
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Granted: 1955-09-13
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Expires: 1971-05-26
Abstract
No abstract record available.
Inventors
- 👤 Elphege M Charlet
- 👤 Keith P Lanneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:10
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE PROCESS OF CRACKING HYDROCARBON OILS, WHICH COMPRISES SUBJECTING A GAS OIL RANGE HYDROCARBON OIL BOILING SUBSTANTIALLY ABOVE THE MOTOR FUEL RANGE AND CONTAINING AROMATIO CONSTITUENTS TO PARTIAL HYDROGENATION, SECURING A HYDROGEN CONSUMPTION LESS THAN ABOUT 600 CUBIC FEET PER BARREL OF OIL UNTIL AT LEAST A SUBSTANTIAL PORTION OF THE AROMATIC CONSTITUENTS CONTAINING AT LEAST FOUR CONDENSED AROMATIC RINGS PER MOLECULE ARE SELECTIVELY HYDROGENATED, WITHOUT SUBSTANTIAL HYDROGENATION OF AROMATIC CONSTITUENTS CONTAINING LESS THAN FOUR CONDENSED AROMATIC RINGS PER MOLECULE AND WITHOUT ANY SUBSTANTIAL REDUCTION IN THE TOTAL AROMATIC CONTENT OF THE SAID HYDROGENATED OIL, AND THEREAFTER CRACKING THE OIL SO TREATED IN THE PRESENCE OF A CRACKING CATALYST AT CONDITIONS CONDUCIVE TO THE FORMATION OF MOTOR FUEL RANGE HYDROCARBONS.
Claim 2
Dependent Claim
120 words
THE PROCESS OF CRACKING HYDROCARBON OILS, WHICH COMPRISES SUBJECTING A GAS OIL RANGE HYDROCARBON OIL BOILING SUBSTANTIALLY ABOVE THE MOTOR FUEL RANGE AND CONTAINING AROMATIO CONSTITUENTS TO PARTIAL HYDROGENATION, SECURING A HYDROGEN CONSUMPTION LESS THAN ABOUT 600 CUBIC FEET PER BARREL OF OIL UNTIL AT LEAST A SUBSTANTIAL PORTION OF THE AROMATIC CONSTITUENTS CONTAINING AT LEAST FOUR CONDENSED AROMATIC RINGS PER MOLECULE ARE SELECTIVELY HYDROGENATED, WITHOUT SUBSTANTIAL HYDROGENATION OF AROMATIC CONSTITUENTS CONTAINING LESS THAN FOUR CONDENSED AROMATIC RINGS PER MOLECULE AND WITHOUT ANY SUBSTANTIAL REDUCTION IN THE TOTAL AROMATIC CONTENT OF THE SAID HYDROGENATED OIL, AND THEREAFTER CRACKING THE OIL SO TREATED IN THE PRESENCE OF A CRACKING CATALYST AT CONDITIONS CONDUCIVE TO THE FORMATION OF MOTOR FUEL RANGE HYDROCARBONS.
References Cited (Backward Citations)
US2304289A
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US2340960A
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US2339246A
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US2377613A
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US2379966A
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US2470339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |