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Innospec Limited patents


Recent patent applications related to Innospec Limited. Innospec Limited is listed as an Agent/Assignee. Note: Innospec Limited may have other listings under different names/spellings. We're not affiliated with Innospec Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Innospec Limited-related inventors


Cyclic quaternary ammonium salts as fuel or lubricant additives

Quaternary ammonium salts of formula: wherein each of r1 and r2 is independently selected from an optionally substituted alkyl, alkenyl or aryl group having less than 8 carbon atoms, r together with n forms an aliphatic or aromatic heterocycle having less than 12 carbons atoms and r5 is hydrogen or an optionally substituted hydrocarhyl group. The use of these compounds as fuel or lubricant additives, especially as diesel fuel additives,. ... Innospec Limited

Diesel fuel compositions

A diesel fuel composition comprising a first additive (i) comprising a quaternary ammonium salt and a second additive (ii) comprising a mannich reaction product; wherein the quaternary ammonium salt additive (i) is formed by the reaction a quaternising agent which is not an ester and a compound formed by the reaction of a hydrocarbyl-substituted acylating agent and an amine of formula (b1) or (b2): wherein r2 and r3 are the same or different alkyl, alkenyl or aryl groups having from 1 to 22 carbon atoms; x is a bond or alkylene group having from 1 to 20 carbon atoms; n is from 0 to 20; m is from 1 to 5; and r4 is hydrogen or a c1 to c22 alkyl group; and wherein the mannich reaction product additive (ii) is the product of a mannich reaction between: (d) an aldehyde; (e) an amine; and (f) a substituted phenol; wherein the phenol is substituted with at least one branched hydrocarbyl group having a molecular weight of between 200 and 3000.. . ... Innospec Limited

Quaternary ammonium compounds and their use as fuel or lubricant additives

. . A quaternary ammonium salt of formula wherein each of r1, r2, r3 and r4 is independently selected from an optionally substituted alkyl, alkenyl or aryl group having less than 8 carbon atoms and r5 is hydrogen or an optionally substituted hydrocarbyl group.. . ... Innospec Limited

Gasoline composition, method and use

A gasoline composition comprising, as an additive, one or more quaternary ammonium salt(s) (i) formed by the reaction of a compound of formula (a): and a compound formed by the reaction of a hydrocarbyl-substituted acylating agent and an amine of formula (b1) or (b2): wherein r is an optionally substituted alkyl, alkenyl, aryl or alkylaryl group; r1 is an alkyl, aryl or alkylaryl group having up to 36 carbon atoms; r2 and r3 are the same or different alkyl groups having from 1 to 36 carbon atoms; x is an alkylene group having from 1 to 20 carbon atoms; n is from 0 to 20; m is from 1 to 5; and r4 is hydrogen or a c1 to c36 alkyl group.. . ... Innospec Limited

Personal care composition

An aqueous shear-thinning personal care composition comprises: (a) at least 3 wt % of a sulfonate compound of general formula (i): where r1 represents a c8-22 alkyl group alkyl group; r2 represents a c1-4 alkyl group; each of r3, r4 and r5 independently represents a hydrogen atom or a c1-4 alkyl group; and m+ represents a sodium or potassium cation; (b) at least 3 wt % of an amphoteric or zwitterionic surfactant; (c) at least 10 wt % of water; and (d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.. ... Innospec Limited








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