US3701641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized distillate hydrocarbon fuel oil compositions and additives therefor
Assignee: Citgo Petroleum Corp
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Filing: 1969-08-29
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Granted: 1972-10-31
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Expires: 1989-08-29
Abstract
Abstract A STABILIZED DISTILLATE HYDROCARBON FUEL OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF A DISTILLATE HYDROCARBON FUEL AND A MINOR PROPORTION OF A STABLILIZING ADDITIVE COMPRISED OF (A) A POLYAMINE HAVING 2 TO ABOUT 6 AMINO GROUPS AND CONTAINING ABOUT 24 TO 50 CARBONS, (B) N,N''DIALICYLIDINE-1,2-PROPYLENEDIAMINE, AND (C) A CYCLOHEXYLAMINE. THE ADDITIVES OF THE INVENTION ARE USEFUL IN STABILIZING DISTILLATE HYDROCARBON FUELS SUCH AS NO. 2 FUEL OILS, DIESEL FUELS, AND JET FUELS.
Inventors
- 👤 Marvin S Rakow
- 👤 Robert J Konig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:12
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/228; C10L1/2283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |