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US3068082A Expired / Lapsed US ⏱️ 0.0 years remaining

Rust inhibited hydrocarbon fuel

Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-08-05
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Granted: 1962-12-11
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Expires: 1979-08-05
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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 19:06
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)

US2540800A Cited
US2604451A Cited
US2598213A Cited
US2750339A Cited

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

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