Patent US4362976A successfully refreshed from Google Patents.
Patent US2849376A successfully refreshed from Google Patents.
US2849376A
Expired / Lapsed
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Two stage process for producing a high octane gasoline
Assignee: Sinclair Refining Co
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Filing: 1952-06-17
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Granted: 1958-08-26
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Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
C; C10; C10G; C10G59/00; C10G59/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A TWO-STAGE PROCESS FOR PRODUCTION OF A HIGH OCTANE LEVEL REFORMATE FROM A HYDROCARBON REFORMING STOCK WHICH COMPRISES CONTACTING THE CHARGE STOCK IN THE FIRST STAGE IN THE PRESENCE OF RECYCLE HYDROGEN GAS WITH A PLATINUM-ALUMINA TYPE REFORMING CATALYST AT A TEMPERATURE OF ABOUT 850* TO 950*F. AND A PRESSURE OF 200 TO 750 P.S.I.G. WHILE CONTROLLING THE EXTENT OF CONVERSION AT A LEVEL RESULTING IN AN OCTANE LEVEL OF ABOUT 75 TO 85 CFRR (CLEAR), CONTACTING THE FIRST STAGE REACTION EFFLUENT WITH A REFORMING CATALYST SELECTED FROM THE GROUP
Claim 2
Dependent Claim
90 words
A TWO-STAGE PROCESS FOR PRODUCTION OF A HIGH OCTANE LEVEL REFORMATE FROM A HYDROCARBON REFORMING STOCK WHICH COMPRISES CONTACTING THE CHARGE STOCK IN THE FIRST STAGE IN THE PRESENCE OF RECYCLE HYDROGEN GAS WITH A PLATINUM-ALUMINA TYPE REFORMING CATALYST AT A TEMPERATURE OF ABOUT 850* TO 950*F. AND A PRESSURE OF 200 TO 750 P.S.I.G. WHILE CONTROLLING THE EXTENT OF CONVERSION AT A LEVEL RESULTING IN AN OCTANE LEVEL OF ABOUT 75 TO 85 CFRR (CLEAR), CONTACTING THE FIRST STAGE REACTION EFFLUENT WITH A REFORMING CATALYST SELECTED FROM THE GROUP
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |