Polyalkylene succinimide deposit control additives and fuel comp

Details Polyalkylene succinimide deposit control additives and fuel comp Polyalkylene succinimide deposit control additives and fuel comp

1990-02-20

1992-05-19

Willis, Jr., Prince

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

44347, 44459, C10L 118, C10L 122

Patent

active

051144352

ABSTRACT:
Deposits on intake valves in gasoline internal combustion engines are reduced by an additive for fuel compositions comprising a mixture of (1) a polyalkylene succinimide, (2) a polyalkylene and (3) a mineral oil. The invention also comprises a fuel composition made up of a major amount of liquid hydrocarbon fuel such as gasoline or diesel and a minor amount of the aforesaid mixture. In still another aspect the invention comprises a method for removing and/or preventing engine deposits which adversely affect the performance of gasoline powered engines by running the engine with a fuel containing an effective amount of the previously described mixture.

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patent: 4482357 (1984-11-01), Hanlon
Smalheer and Smith, "Lubricant Additives", 1967, pp. 1-11.

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