Fuel and lubricant compositions for inhibition or prevention of

Details Fuel and lubricant compositions for inhibition or prevention of Fuel and lubricant compositions for inhibition or prevention of

1977-10-11

1979-03-20

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

44 51, 44 67, 252 28, C10M 110, C10M 302, C10L 112, C10L 132

Patent

active

041452976

ABSTRACT:
The prevention or substantial reversal of octane requirement increase in a spark-ignited, internal combustion engine is achieved by introducing, with the combustion intake charge, a fuel and/or lubricant composition containing an octane requirement increase-inhibiting amount of a high surface area, solid acid catalyst having an average particle size in the range of about 0.01 to 10 microns and an average non-volatile surface acidity of about 1 or less, expressed as pKa value, said solid acid catalyst being essentially nonreactive with the fuel or lubricant prior to combustion and chemically and thermally stable under combustion conditions in the engine.

REFERENCES:
patent: 2725857 (1955-12-01), Hughes et al.
patent: 2902351 (1959-09-01), Stokes
patent: 2965568 (1960-12-01), Marsden et al.
patent: 3399145 (1968-08-01), Martinek
patent: 3817722 (1974-06-01), Scott
patent: 3994699 (1976-11-01), Scott

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