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US 6,793,695 B2Granted
Anti-static lubricity additive ultra-low sulfur diesel fuels
AssigneeThe Lubrizol Corporation
InventorsMark F. Wilkes, David A. Duncan, Shaun P. Carney
Life of this patent
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Abstract
A fuel composition exhibiting improved anti-static properties, comprises a liquid fuel which contains less than 500 parts per million by weight sulfur; 0.001 to 1 ppm of a hydrecarbyl monoamine or hydrocarbyl-substituted poly(alkylenieamine); and 10 to 500 ppm of at least one fatty acid containing 8 to 24 carbon atoms, or an ester thereof.
Claims22
A fuel composition exhibiting improved anti-static properties, comprising:
- (a) a liquid fuel which contains less than about 500 parts per million by weight sulfur;
- (b) about 0.001 to about 1 part per million by weight of at least one hydrocarbyl monoamine or N-hydrocarbyl-substituted poly(alkyleneamine);
- and
- (c) about 10 to about 500 parts per million by weight of at least one fatty acid containing about 8 to about 24 carbon atoms or an ester thereof with an alcohol or polyol of up to about 8 carbon atoms.
1 more element
A concentrate comprising a concentrate forming amount of a combustible solvent and
- (b) about 1 to about 1000 parts per million by weight of at least one hydrocarbyl monoamine or N-hydrocarbyl-substituted poly(alkyleneamine);
- and
- (c) about 1 to about 50 percent by weight of at least one fatty acid containing about 8 to about 24 carbon atoms or an ester thereof with an alcohol or polyol of up to about 8 carbon atoms.
Dependencies are inferred from the claim text.