Abstract: The present invention provides a composition and a concentrate, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product, and (c) an optional amount of a succinimide dispersant different from (b), and a use of the composition or concentrate for lubricating an engine. In a further embodiment, the invention provides the use of a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product as a dispersant in a lubricating composition, and as a synergistic dispersant combination with a different succinimide dispersant.

Abstract: The invention provides a method of lubricating an end-pivot finger follower valve train lash adjuster of a passenger car compression ignition internal combustion engine having a reference mass not exceeding 2610 kg comprising supplying to the internal combustion engine a lubricating composition comprising an oil of lubricating viscosity 0.01 wt % to 3 wt % of a dispersant viscosity modifier, and 0.01 wt % to 3 wt % of a zinc free sulphur-containing antiwear agent, wherein the lubricating composition has a sulphur-content of less than 5000 ppm, a phosphorus content of 1000 ppm or less, and a sulphated ash content of (typically 3000 to 12,000 ppm).

Abstract: The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and an amine terminated or hydroxyl terminated polyether. In addition, the technology relates to lubricating compositions containing the dispersant composition and an optional synergistic amount of another dispersant, as well as methods of employing the dispersant composition in an engine and engine oils.

Abstract: The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerization of a hydroxy-substituted C10-30 carboxylic acid into a polyester, an optionally hydroxy-substituted C10-30 carboxylic acid, a C10-30-hydrocarbyl substituted acylating agent, and a polyolefin-substituted maleic anhydride. The invention further provides compositions for inks, thermoplastics, plasticizers, plastisols, crude grinding and flush.

Abstract: The disclosed technology relates to ashless compounds exhibiting neutral pH and having sufficient polarity to act as a dispersant. The disclosed technology additionally relates to the use of the ashless compounds in engine lubricants as dispersants for preventing engine deposit without degrading seals or increasing (i.e. contributing to) corrosion.

Abstract: The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and an amine terminated or hydroxyl terminated polyether. In addition, the technology relates to lubricating compositions containing the dispersant composition and an optional synergistic amount of another dispersant, as well as methods of employing the dispersant composition in an engine and engine oils.

Abstract: The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides lubricating compositions containing the described dispersant as well as methods of making and using the described dispersant, including method of making the dispersant, methods of lubricating an engine with a lubricant containing the described dispersant, and methods of reducing sludge formation in an engine.

Abstract: The present invention relates to a lubricating composition, particularly marine diesel engine lubricating compositions, comprising: (a) an oil of lubricating viscosity; (b) an asphaltene dispersant comprising an amide group, which may also contain a succinimide group, and which may optionally be used in combination with additional asphaltene dispersants that contain a cyclic headgroup that contains a nitrogen atoms where the additional asphaltene dispersants may also include a succinimide group; and (c) a detergent derived from an alkyl phenol. The invention further provides methods of using such compositions in the operation of engine, particularly marine diesel engines.

Abstract: The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerization of a hydroxy-substituted C10-30 carboxylic acid into a polyester, an optionally hydroxy-substituted C10-30 carboxylic acid, a C10-30-hydrocarbyl substituted acylating agent, and a polyolefin-substituted maleic anhydride. The invention further provides compositions for inks, thermoplastics, plasticizers, plastisols, crude grinding and flush.

Abstract: The invention relates to a composition containing a particulate solid; an organic medium; and a quaternised polyester salt which comprises a product obtained/obtainable by reaction of (i) a polyester containing a tertiary amino group; and (ii) a quaternising agent suitable for converting the tertiary amino group to a quaternary nitrogen, wherein the quaternising agent is a hydrocarbyl epoxide in combination with an acid, or mixtures thereof. The invention further relates to the use of the product as a dispersant. The invention further relates to the use of the dispersant in media, such as inks, mill bases, plastics and paints.

Abstract: The present invention provides a composition and a concentrate, comprising: (a) a major amount of an oil of lubricating viscosity, (b) a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product, and (c) an optional amount of a succinimide dispersant different from (b), and a use of the composition or concentrate for lubricating an engine. In a further embodiment, the invention provides the use of a quaternary ammonium salt of a hydrocarbyl-substituted acylating agent condensation product as a dispersant in a lubricating composition, and as a synergistic dispersant combination with a different succinimide dispersant.

Abstract: The invention provides a lubricating composition containing a lubricating composition comprising an oil of lubricating viscosity and a quaternised polyester salt. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The invention further relates to the use of the quaternised polyester salt as a dispersant.

Abstract: 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.

Abstract: The present invention relates to a lubricating composition, particularly marine diesel engine lubricating compositions, comprising: (a) an oil of lubricating viscosity; (b) an asphaltene dispersant comprising an amide group, which may also contain a succinimide group, and which may optionally be used in combination with additional asphaltene dispersants that contain a cyclic headgroup that contains a nitrogen atoms where the additional asphaltene dispersants may also include a succinimide group; and (c) a detergent derived from an alkyl phenol. The invention further provides methods of using such compositions in the operation of engine, particularly marine diesel engines.

Abstract: The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and an amine terminated or hydroxyl terminated polyether. In addition, the technology relates to lubricating compositions containing the dispersant composition and an optional synergistic amount of another dispersant, as well as methods of employing the dispersant composition in an engine and engine oils.

Abstract: The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Abstract: The present invention relates to a composition containing a particulate solid, a non-polar organic medium, and a compound obtained/obtainable by reacting an aromatic amine with hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituted acylating agent is selected from the group consisting of an oligomer or polymer from condensation polymerisation of a hydroxy-substituted C10-30 carboxylic acid into a polyester, an optionally hydroxy-substituted C10-30 carboxylic acid, a C10-30-hydrocarbyl substituted acylating agent, and a polyolefin-substituted maleic anhydride. The invention further provides compositions for inks, thermoplastics, plasticisers, plastisols, crude grinding and flush.