Compositions and methods and uses relating thereto
AssigneeInnospec Limited
InventorsMatthew Petts, Katherine Le Manquais, Alan Norman Ross
Life of this patent
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Abstract
A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen.
Claims24
A composition comprising a diesel fuel and a quaternary ammonium compound of formula (I):
- wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is a positive integer.
A method of improving the performance of an engine, the method comprising combusting in the engine a diesel fuel composition comprising as an additive a quaternary ammonium compound of formula (I):
- wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is a positive integer.
Dependencies are inferred from the claim text.