Fuel and lubricant compositions for inhibition of prevention of

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

1975-09-19

1978-05-30

Wyman, Daniel E.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 67, C10L 132

Patent

active

040921263

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: 2890108 (1959-06-01), Toulmin, Jr.
patent: 2902983 (1959-09-01), Patberg

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