US2884315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aviation gasoline
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-02-20
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Granted: 1959-04-28
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Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert E Barnum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:13
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/02; C10L1/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED AVIATION GASOLINE ADAPTED FOR FILTERABILITY AT TEMPERATUREE BELOW THE FREEZING POINT OF WATER PRESENT THEREIN AND HAVING A NET CALORIFIC VALUE OF AT LEAST 18,700 B.T.U. PER POUND AND HAVING AN INITIAL BOILING POINT OF ABOUT 100* F. AND A FINAL BOILING POINT OF ABOUT 350* F. COMPRISING ESSENTIALLY PETROLEUM HYDROCARBON CONSTITUENTS CONTAINING BETWEEN ABOUT 3% TO 7% BY VOLUME OF DIISOPROPYL ETHER AND 3% TO 15% OF AROMATIC HYDROCARBON HAVING FROM 7 TO 9 CARBON ATOMS, THE RATIO OF SAID ETHER TO SAID AROMATIC HYDROCARBON BEING GREATER THAN 5/19, SAID GASOLINE BEING FURTHER CHARACTERIZED IN CONTAINING AT LEAST 0.006% BY VOLUME OF LIQUID WATER.
Claim 2
Dependent Claim
107 words
AN IMPROVED AVIATION GASOLINE ADAPTED FOR FILTERABILITY AT TEMPERATUREE BELOW THE FREEZING POINT OF WATER PRESENT THEREIN AND HAVING A NET CALORIFIC VALUE OF AT LEAST 18,700 B.T.U. PER POUND AND HAVING AN INITIAL BOILING POINT OF ABOUT 100* F. AND A FINAL BOILING POINT OF ABOUT 350* F. COMPRISING ESSENTIALLY PETROLEUM HYDROCARBON CONSTITUENTS CONTAINING BETWEEN ABOUT 3% TO 7% BY VOLUME OF DIISOPROPYL ETHER AND 3% TO 15% OF AROMATIC HYDROCARBON HAVING FROM 7 TO 9 CARBON ATOMS, THE RATIO OF SAID ETHER TO SAID AROMATIC HYDROCARBON BEING GREATER THAN 5/19, SAID GASOLINE BEING FURTHER CHARACTERIZED IN CONTAINING AT LEAST 0.006% BY VOLUME OF LIQUID WATER.
References Cited (Backward Citations)
US2409746A
Cited
US2409156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |