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US2909477A
Expired / Lapsed
US
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Hydrocarbon reforming system
Assignee: American Oil Co
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Filing: 1958-03-31
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Granted: 1959-10-20
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Karl A Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:37
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN THE REFORMING OF HYDROCARBON CHARGE STOCKS IN THE PRESENCE OF A PLATINUM ALUMINA CATALYST AND HYDROGEN, WHEREIN THE CATALYST IS DISPOSED IN AN INITIAL REACTION ZONE AND AT LEAST ON SUBSEQUENT REACTION ZONE, THE PROCESS WHICH COMPRISES: PASSING THE PREHEATED HYDROCARBON CHARGE AND HYDROGEN THROUGH SAID INITIAL AND SAID SUBSEQUENT REACTION ZONES UNDER REFORMING CONDITIONS OF TEMPERATURE, PRESSURE, SPACE VELOCITY AND HYDROGEN TO HYDROCARBON RATIO; SEPARATING CONDENSIBLE HYDROCARBONS FROM THE SUBSEQUENT REACTION ZONE EFFLUENT AND RECYCLING THE HYDROGEN TO THE INITIAL REACTION ZONE; FRACTIONALLY DISTILLING AN APPROXIMATELY C5-280* F. BOILING RANGE FRACTION FROM THE CONDENSIBLE HYDROCARBONS, CYCLING A FIRST PORTION OF THE C5-280*F. FRACTION TO THE AT LEAST ONE SUBSEQUENT REACTION ZONE, FRACTIONATING A SECOND PORTION OF THE C5-280F. FRACTION INTO A LOW OCTANE NUMBER APPROXIMATELY C5-230*F. FRACTION; AND RENUMBER APPROXIMATELY 230-280*F. FRACTION; AND RE-COVERING THE LATTER HIGH OCTANE NUMBER 230-280* F. FRACTION AS A FIRST PRODUCE, AND RECOVERING A HIGH OCTANE NUMBER 280*F.-E.P. FRACTION AS A SECOND PRODUCT FROM THE CONDENSIBLE HYDROCARBONS REMAINING AFTER THE C5-280*F. FRACTION REMOVAL.
Claim 2
Dependent Claim
170 words
IN THE REFORMING OF HYDROCARBON CHARGE STOCKS IN THE PRESENCE OF A PLATINUM ALUMINA CATALYST AND HYDROGEN, WHEREIN THE CATALYST IS DISPOSED IN AN INITIAL REACTION ZONE AND AT LEAST ON SUBSEQUENT REACTION ZONE, THE PROCESS WHICH COMPRISES: PASSING THE PREHEATED HYDROCARBON CHARGE AND HYDROGEN THROUGH SAID INITIAL AND SAID SUBSEQUENT REACTION ZONES UNDER REFORMING CONDITIONS OF TEMPERATURE, PRESSURE, SPACE VELOCITY AND HYDROGEN TO HYDROCARBON RATIO; SEPARATING CONDENSIBLE HYDROCARBONS FROM THE SUBSEQUENT REACTION ZONE EFFLUENT AND RECYCLING THE HYDROGEN TO THE INITIAL REACTION ZONE; FRACTIONALLY DISTILLING AN APPROXIMATELY C5-280* F. BOILING RANGE FRACTION FROM THE CONDENSIBLE HYDROCARBONS, CYCLING A FIRST PORTION OF THE C5-280*F. FRACTION TO THE AT LEAST ONE SUBSEQUENT REACTION ZONE, FRACTIONATING A SECOND PORTION OF THE C5-280F. FRACTION INTO A LOW OCTANE NUMBER APPROXIMATELY C5-230*F. FRACTION; AND RENUMBER APPROXIMATELY 230-280*F. FRACTION; AND RE-COVERING THE LATTER HIGH OCTANE NUMBER 230-280* F. FRACTION AS A FIRST PRODUCE, AND RECOVERING A HIGH OCTANE NUMBER 280*F.-E.P. FRACTION AS A SECOND PRODUCT FROM THE CONDENSIBLE HYDROCARBONS REMAINING AFTER THE C5-280*F. FRACTION REMOVAL.
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |