Patent US2560899A successfully refreshed from Google Patents.
US2560899A
Expired / Lapsed
US
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Process and apparatus for the catalytic conversion of hydrocarbons
Assignee: Sinclair Refining Co
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Filing: 1947-04-30
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Granted: 1951-07-17
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Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Shand Edwin William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:50
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN THE FLUID CATALYST PROCES FOR THE CONVERSION OF HYDROCARBONS WHEREIN A HYDROCARBON CHARGE OIL IS PASSED UPWARDLY IN VAPOR PHASE THROUGH A DENSE PHASE FLUIDIZED BODY OF CATALYST WITH A SUPERIMPOSED DISPERSED PHASE IN A REACTION ZONE FROM WHICH CATALYST IS CONTINUOUSLY WITHDRAWN, THE WITHDRAWN CATALYST REGENERATED AND RETURNED TO THE REACTION ZONE IN SUSPENSION IN CHARGE OIL VAPORS, THE STEPS OF MIXING THE REGENERATED CATALYST WITH THE HYDROCARBON CHARGE OIL IN LIQUID STATE AND UNDER SUPERATMOSPHERIC PRESSURE, SUDDENLY REDUCING THE PRESSURE ON THE MIXTURE WHEREBY THE HYDROCARBON OIL IS FLASHED INTO VAPORS AND PASSING THE RESULTANT VAPORS WITH THE CATALYST SUSPENDED THEREIN TO THE REACTION ZONE.
Claim 2
Dependent Claim
108 words
IN THE FLUID CATALYST PROCES FOR THE CONVERSION OF HYDROCARBONS WHEREIN A HYDROCARBON CHARGE OIL IS PASSED UPWARDLY IN VAPOR PHASE THROUGH A DENSE PHASE FLUIDIZED BODY OF CATALYST WITH A SUPERIMPOSED DISPERSED PHASE IN A REACTION ZONE FROM WHICH CATALYST IS CONTINUOUSLY WITHDRAWN, THE WITHDRAWN CATALYST REGENERATED AND RETURNED TO THE REACTION ZONE IN SUSPENSION IN CHARGE OIL VAPORS, THE STEPS OF MIXING THE REGENERATED CATALYST WITH THE HYDROCARBON CHARGE OIL IN LIQUID STATE AND UNDER SUPERATMOSPHERIC PRESSURE, SUDDENLY REDUCING THE PRESSURE ON THE MIXTURE WHEREBY THE HYDROCARBON OIL IS FLASHED INTO VAPORS AND PASSING THE RESULTANT VAPORS WITH THE CATALYST SUSPENDED THEREIN TO THE REACTION ZONE.
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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |