Innospec Limited

Katherine Le Manquais

Alan Norman Ross

Matthew Petts

Ian Malcolm McRobbie

Colin Snape

Victoria Pellegrini

James Barker

A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and a polyhydric alcohol of formula H&#x2014;(OR)&#x2014;OH, wherein R is an optionally substituted alkylene group and n is at least 1.

Compositions and methods and uses relating thereto

A quaternary ammonium compound of formula (I): wherein R, R, Rand Ris each independently an optionally substituted hydrocarbyl group, X is a linking group, Ris an optionally substituted alkylene group, Ris 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 Ris hydrogen.

A quaternary ammonium salt of formula (I): (I) where in X is a linking group; Y is O, NH or NRwherein Ris H or an optionally substituted hydrocarbyl group; Qis a moiety that includes a quaternary ammonium cation; Ais an anion; Ris an optionally substituted alkylene group; Ris hydrogen or an optionally substituted hydrocarbyl group; and n is 0 or a positive integer; provided that n is not 0 when Ris hydrogen. 

Composition and methods and uses relating thereto

A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and an alcohol or formula ROH, wherein R is an optionally substituted hydrocarbyl group.

Methods and uses for improving the performance of diesel engines using fuel additives

A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and a compound or formula H&#x2014;(OR)&#x2014;OR, wherein R is an optionally substituted alkylene group, Ris an optionally substituted hydrocarbyl group and n is at least 1.

Method and use

A diesel fuel composition comprising as an additive an ester compound which is the reaction product of a polyhydric alcohol of formula H&#x2014;(OR)&#x2014;OH and at least 1.5 molar equivalents of an optionally substituted polycarboxylic acid or an anhydride thereof, wherein R is an optionally substituted alkylene group and n is at least 1.

An iron salt of an organic acid, selected from formic acid, carboxylic acids having (3) or more carbon atoms and sulphonic acids, is used to reduce the carbon content of the fly ash, when coal is combusted.

Growing community of inventors

Ellesmere Port, United Kingdom

Katherine Le Manquais