FUEL COMPOSITION COMPRISING DETERGENT AND QUANTERNARY AMMONIUM SALT ADDITIVE
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United States of America Patent
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N/A
Issued Date -
Feb 7, 2013
app pub date -
Mar 10, 2011
filing date -
Mar 10, 2010
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A method of reducing deposits in a diesel engine, the method comprising combusting in the engine a diesel fuel composition comprising a detergent additive which is not a quaternary ammonium salt or a Mannich reaction product; and a quaternary ammonium salt additive comprising the reaction product of nitrogen containing species having at least one tertiary amine group and a quaternizing agent; wherein the nitrogen containing species is selected from: (i) the reaction product of a hydrocarbyl-substituted acylating agent and a compound comprising at least one tertiary amine group and a primary amine, secondary amine or alcohol group; (ii) a Mannich reaction product comprising a tertiary amine group; and (v) a polyalkylene substituted amine having at least one tertiary amine group.
First Claim
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