US2933382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet fuel compositions
Assignee: Shell USA Inc
•
Filing: 1957-05-06
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Granted: 1960-04-19
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Fowkes
- 👤 Francis G Bollo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/201; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A STABLE, NON-FOAMING PETROLEUM HYDROCARBON JET FUEL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A PETROLEUM HYDROCARBON JET FUEL HAVING A BOILING RANGE FROM ABOUT 40*F. TO ABOUT 600*F. AND CONTAINING FROM ABOUT 0.001% TO ABOUT 1% BY VOLUME OF A HYDROCARBON-INSOLUBLE SATURATED PERFLUORCARBON HAVING FROM 12 TO 21 CARBON ATOMS AND HAVING A BOILING POING RANGE OF FROM ABOUT 20*C. TO ABOUT 240*C. AT 10 MM. HG AND FROM ABOUT 0.01% TO ABOUT 10% OF A HYDROCARBON DISPERSIBLE POLYFLUORAMIDE OF A SATURATED PERFLUOROALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 4 TO II CARBON ATOMS AND AN ALKYL AMINE HAVING 8 TO 22 CARBON ATOMS IN THE ALKYL CHAIN.
Claim 2
Dependent Claim
108 words
A STABLE, NON-FOAMING PETROLEUM HYDROCARBON JET FUEL COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF A PETROLEUM HYDROCARBON JET FUEL HAVING A BOILING RANGE FROM ABOUT 40*F. TO ABOUT 600*F. AND CONTAINING FROM ABOUT 0.001% TO ABOUT 1% BY VOLUME OF A HYDROCARBON-INSOLUBLE SATURATED PERFLUORCARBON HAVING FROM 12 TO 21 CARBON ATOMS AND HAVING A BOILING POING RANGE OF FROM ABOUT 20*C. TO ABOUT 240*C. AT 10 MM. HG AND FROM ABOUT 0.01% TO ABOUT 10% OF A HYDROCARBON DISPERSIBLE POLYFLUORAMIDE OF A SATURATED PERFLUOROALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 4 TO II CARBON ATOMS AND AN ALKYL AMINE HAVING 8 TO 22 CARBON ATOMS IN THE ALKYL CHAIN.
References Cited (Backward Citations)
US2394596A
Cited
US2680717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |