US2777801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination crude distillation and oil refining process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-12-03
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Granted: 1957-01-15
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Expires: 1971-12-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Bittner
- 👤 Channing C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:07
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IMPROVED PROCESS FOR THE PRODUCTION OF HIGH QUALITY PETROLEUM PRODUCTS BOILING IN THE MOTOR FUEL BOILING RANGE WHICH COMPRISES PASSING A REDUCED CRUDE CONTAINING GAS OIL CONSTITUENTS BOILING UP TO ABOUT 1150*F. INTO A FRACTIONATION ZONE OPERATED AT A PRESSURE IN THE RANGE OF ABOUT 5 TO 15 P.S.I.G., REMOVING FROM SAID FRACTIONATION ZONE AT A POINT ABOVE THE POINT OF INTRODUCTION OF SAID REDUCED CRUCE A GAS OIL FRACTION CONTAINING HYDROCARBON CONSTITUENTS BOILING UP TO ABOUT 1150*F., SUBJECTING SAID GAS OIL FRACTION TO A CATALYTIC CRACKING OPERATION AT TEMPERATURE IN THE RANGE FROM ABOUT 800*F. TO 1000*F. AND PRESSURES IN THE RANGE FROM ATMOSPHERIC TO 50LBS. PER SQ. IN. GAUGE, REMOVING FROM SAID CATALYTIC CRACKING OPERATION CRACKED PRODUCTS AND INTRODUCING THE SAME INTO SAID FRACTIONATION ZONE AT A POINT BELOW THE POINT OF INTRODUCTION OF SAID REDUCED CRUDE.
Claim 2
Dependent Claim
139 words
IMPROVED PROCESS FOR THE PRODUCTION OF HIGH QUALITY PETROLEUM PRODUCTS BOILING IN THE MOTOR FUEL BOILING RANGE WHICH COMPRISES PASSING A REDUCED CRUDE CONTAINING GAS OIL CONSTITUENTS BOILING UP TO ABOUT 1150*F. INTO A FRACTIONATION ZONE OPERATED AT A PRESSURE IN THE RANGE OF ABOUT 5 TO 15 P.S.I.G., REMOVING FROM SAID FRACTIONATION ZONE AT A POINT ABOVE THE POINT OF INTRODUCTION OF SAID REDUCED CRUCE A GAS OIL FRACTION CONTAINING HYDROCARBON CONSTITUENTS BOILING UP TO ABOUT 1150*F., SUBJECTING SAID GAS OIL FRACTION TO A CATALYTIC CRACKING OPERATION AT TEMPERATURE IN THE RANGE FROM ABOUT 800*F. TO 1000*F. AND PRESSURES IN THE RANGE FROM ATMOSPHERIC TO 50LBS. PER SQ. IN. GAUGE, REMOVING FROM SAID CATALYTIC CRACKING OPERATION CRACKED PRODUCTS AND INTRODUCING THE SAME INTO SAID FRACTIONATION ZONE AT A POINT BELOW THE POINT OF INTRODUCTION OF SAID REDUCED CRUDE.
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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |