Patent US2839450A successfully refreshed from Google Patents.
US2839450A
Expired / Lapsed
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Production of gasolines having high knock rates from nitrogenous middle oils
Assignee: BASF SE
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Filing: 1955-03-21
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Granted: 1958-06-17
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Oettinger Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR THE PRODUCTION OF A HIGH OCTANE GASOLINE FROM A NITROGENOUS MIDDLE OIL HAVING A BASE NUMBER OF MORE THAN 900, WHICH COMPRISES SUBJECTING SAID NITROGENOUS MIDDLE OIL TO AN INCOMPLETE REFINING BY CATALYTIC REFINING WITH HYDROGEN AT TEMPERATURE OF 350* TO 460*C. AND PRESSURES OF 10 TO 300 ATMOSPHERES WHEREIN THE CONDITIONS OF TEMPERATURE, PRESSURE AND THROUGHPUT ARE SO CORRELATED THAT THE INCOMPLETELY REFINED PRODUCT HAS A BASE NUMBER OF BETWEEN 20 AND 500, AND THEN SUBJECTING SAID INCOMPLETELY REFINED PRODUCT TO A DESTRUCTIVE HYDROGENATION AT 330* TO 550*C. UNDER A PRESSURE OF 150 TO 700 ATMOSPHERES IN THE PRESENCE OF AT LEAST ONE COMPOUND OF A HEAVY METAL OF THE 5TH TO 8TH GROUPS OF THE PERIODIC SYSTEM WHICH IS APPLIED TO AT LEAST ONE SILICATE AS A CARRIER.
Claim 2
Dependent Claim
133 words
A PROCESS FOR THE PRODUCTION OF A HIGH OCTANE GASOLINE FROM A NITROGENOUS MIDDLE OIL HAVING A BASE NUMBER OF MORE THAN 900, WHICH COMPRISES SUBJECTING SAID NITROGENOUS MIDDLE OIL TO AN INCOMPLETE REFINING BY CATALYTIC REFINING WITH HYDROGEN AT TEMPERATURE OF 350* TO 460*C. AND PRESSURES OF 10 TO 300 ATMOSPHERES WHEREIN THE CONDITIONS OF TEMPERATURE, PRESSURE AND THROUGHPUT ARE SO CORRELATED THAT THE INCOMPLETELY REFINED PRODUCT HAS A BASE NUMBER OF BETWEEN 20 AND 500, AND THEN SUBJECTING SAID INCOMPLETELY REFINED PRODUCT TO A DESTRUCTIVE HYDROGENATION AT 330* TO 550*C. UNDER A PRESSURE OF 150 TO 700 ATMOSPHERES IN THE PRESENCE OF AT LEAST ONE COMPOUND OF A HEAVY METAL OF THE 5TH TO 8TH GROUPS OF THE PERIODIC SYSTEM WHICH IS APPLIED TO AT LEAST ONE SILICATE AS A CARRIER.
References Cited (Backward Citations)
US2191157A
Cited
US2717230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |