The Lubrizol Corporation

Rhodia Operations

Magali Pudlarz

David J Moreton

Virginie Harle

Michael Lallemand

Malcolm G J MacDuff

Lauriane D'Alencon

Malcolm Gj Macduff

Lauriane D'alencon

Dean Thetford

Joanne L Jones

Hannah Greenfield

Malcolm G J Macduff

Malcolm G Macduff

Malcolm GJ Macduff

The present invention relates to compositions containing a detergent composition and an active metal containing compound, where the detergent composition includes a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, and where the active metal containing compound is in the form of a colloidal dispersion, comprising an organic phase, particles of an iron compound in its amorphous form, and at least one amphiphilic agent. These compositions may be used in fuels and provide improved engine performance when such fuels are used, specifically by reducing fuel injector fouling in the engine and/or by improving the regeneration of the engine's particulate exhaust trap.

Synergistic detergent and active metal compound combination

A composition contains an additive for assisting with regeneration of the PF in the form of an organic dispersion of iron particles in crystallized form and a detergent including a quaternary ammonium salt.

Fuel additive composition containing a dispersion of iron particles and a detergent

A composition contains an additive for assisting with the regeneration of the PF in the form of an organic dispersion of iron particles and a detergent including a polyester quaternary ammonium salt.

Fuel additive containing a dispersion of iron particles and an ammonium polyester detergent

Compositions that include a detergent composition and an active metal compound are described wherein the detergent composition includes a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, and wherein the active metal compound is in the form of a colloidal dispersion, comprising an organic phase, particles of an iron compound in its amorphous form, and at least one amphiphilic agent. These compositions can be used in fuels to provide improved engine performance by, for example, reducing fuel injector fouling in the engine and/or by improving the regeneration of the engine's particulate exhaust trap.

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Belper, United Kingdom

Magali Pudlarz