US3068082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust inhibited hydrocarbon fuel
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-08-05
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Granted: 1962-12-11
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Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 William W Paris
- 👤 Staker Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A LIQUID MINERAL HYDROCARBON FUEL CONTAINING DISSOLVED THEREIN A SMALL AMOUNT SUFFICIENT TO INHIBIT RUSTING OF FERROUS METAL SURFACES OF A REACTION PRODUCT OBTAINED BY HEATING AT 92-120*C. SUBSTANTIALY TWO MOLAR PROPORTIONS OF AN ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKENYL SUCCINIC ANHYDRIDE CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE ALKEN GROUP AND ALKYL SUCCINIC ANHYDRIDE CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE ALKYL GROUP AND SUBSTANTIALLY ONE MOLAR PROPORTION OF AN ALKYLENE DIAMINE CONTAINING FROM 2 TO 6 CARBON ATOMS IN THE ALKYLENE GROUP, EACH AMINO GROUP THEREOF CONTAINING AT LEAST ONE HYDROGEN, AT LEAST ONE OF SAID AMINO GROUPS BEING PRIMARY AND REMOVING BY-PRODUCT WATER.
Claim 2
Dependent Claim
112 words
A LIQUID MINERAL HYDROCARBON FUEL CONTAINING DISSOLVED THEREIN A SMALL AMOUNT SUFFICIENT TO INHIBIT RUSTING OF FERROUS METAL SURFACES OF A REACTION PRODUCT OBTAINED BY HEATING AT 92-120*C. SUBSTANTIALY TWO MOLAR PROPORTIONS OF AN ANHYDRIDE SELECTED FROM THE GROUP CONSISTING OF ALKENYL SUCCINIC ANHYDRIDE CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE ALKEN GROUP AND ALKYL SUCCINIC ANHYDRIDE CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE ALKYL GROUP AND SUBSTANTIALLY ONE MOLAR PROPORTION OF AN ALKYLENE DIAMINE CONTAINING FROM 2 TO 6 CARBON ATOMS IN THE ALKYLENE GROUP, EACH AMINO GROUP THEREOF CONTAINING AT LEAST ONE HYDROGEN, AT LEAST ONE OF SAID AMINO GROUPS BEING PRIMARY AND REMOVING BY-PRODUCT WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |