US3047375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beta-diketones in aviation turbine fuels
Assignee: Gulf Research and Development Co
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Filing: 1958-12-30
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Granted: 1962-07-31
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Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr John P Pellegrini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:48
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1857; C07; C07C; C07C49/00; C07C49/76; C07C49/794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COMBUSTION GAS TURBINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY THERMALLY UNSTABLE, LIQUID HYDROCARBON AVIATION TURBINE FUEL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE THERMAL STABILITY OF SAID FUEL, OF A BETA-DIKETONE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
40 words
A COMBUSTION GAS TURBINE FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY THERMALLY UNSTABLE, LIQUID HYDROCARBON AVIATION TURBINE FUEL AND A SMALL AMOUNT, SUFFICIENT TO IMPROVE THE THERMAL STABILITY OF SAID FUEL, OF A BETA-DIKETONE HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
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US2313621A
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US2316012A
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US2328711A
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US2418173A
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US2621212A
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US2671810A
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US2864850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |