Patent US2739104A successfully refreshed from Google Patents.
US2739104A
Expired / Lapsed
US
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Process for continuous fluid coking
Assignee: Pan-AM Southern Corp
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Filing: 1954-08-31
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Granted: 1956-03-20
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Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Richmond B Galbreath
- 👤 Jr Robert H Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:28
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/28; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
THE METHOD FOR PRODUCING GASOLINE, GAS, OIL AND COKE FROM A CRUDE OIL STREAM WHICH COMPRISES THE STEPS OF SUBJECTING THE CRUDE OIL STREAM TO A FRACTIONATION STEP TO PRODUCE A GASOLINE FRACTION, A GAS OIL FRACTION AND A RESIDUAL REDUCED CRUDE FRACTION, HEATING THE REDUCED CRUDE FRACTION TO ABOUT 1000* F., INJECTING THE HOT REDUCED CRUDE INTO A CYCLONIC COKING ZONE AS A HIGH VELOCITY SPRAY, COMMINGLING WITH SAID SPRAY WITHIN SAID COKING ZONE A SUSPENSION OF COKE FINES PRODUCED IN THE COKING PROCESS, CONTACTING THE COKE FINES AND FEED SPRAY FOR A TIME SUFFICIENT TO PRODUCE A DEPOSIT OF FRESH COKE ON SAID COKE FINES, SEPARATING THE PRODUCED COKE AND HYDROCARBON VAPORS, SEPARATELY WITHDRAWING PRODUCT COKE FROM A LOWER PART OF THE COKING ZONE, SEPARATING HYDROCARBON VAPORS AND COKE FINES, INJECTING THE SEPARATED COKE FINES INTO SAID SUSPENSION, AND SUBJECTING THE SEPARATED HYDROCARBON VAPORS TO SAID FRACTIONATION STEP FOR THE RECOVERY OF GASOLINE AND GAS OIL FRACTIONS.
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |