The Lubrizol Corporation

Lubrizol Advanced Materials, Inc.

Rhodia Operations

Joanne L Jones

Matthew D Gieselman

Renee A Eveland

Dean Thetford

Patrick E Mosier

David J Moreton

Ewan E Delbridge

John Kent Pudelski

Daniel J Saccomando

Nicolas Proust

William R S Barton

Mark C Davies

Stephen J Cook

Michael R Sutton

Virginie Harle

Michael Lallemand

Hannah Greenfield

Alexandra Mayhew

Lauriane D'Alencon

Adam J Preston

Craig J Jones

Magali Pudlarz

Malcolm G J MacDuff

Shaun P Carney

Douglas T Jayne

Dixit Parmar

Nicholas Proust

William Ellyatt

Ben McDermott

Alex Brewster

Malcolm Gj Macduff

Lauriane D'alencon

William H O'ryan

Ben Mcdermott

William RS Barton

Malcolm GJ Macduff

Renee A Everland

Renee E Eveland

William H O'RYAN

The instant disclosure generally relates to lubricating compositions having an oil of lubricating viscosity, a mixture of boron-containing and boron-free dispersants, an overbased magnesium-based detergent, an overbased calcium-based detergent, a molybdenum-containing material, and, optionally, other performance additives. The instant lubricating compositions may improve one or more of cleanliness, TBN retention, fuel economy and low-speed preignition ('LSPI').

Lubricating compositions and methods of operating an internal combustion engine

The disclosed technology relates to lubricants for compression ignition internal combustion engines, particularly those demonstrating at least one of improved seals performance, reduced deposit formation, and excellent durability. The present invention provides a low zinc lubricating composition comprising (a) an oil of lubricating viscosity, (b) a borated dispersant, and (c) a metal-free organo-phosphorus anti-wear additive, wherein the lubricating composition is substantially free of a metal containing sulfur coupled alkyl phenol compound. Further, the low zinc lubricating composition contains zinc in an amount less than 600 ppm by weight of the composition.

Low zinc lubricant composition

The disclosed technology relates to a dispersant composition comprising the reaction product of a polyolefin acylating agent and a polyamine having a sterically hindered head group. In addition, the technology relates to lubricating compositions containing the dispersant composition and an oil of lubricating viscosity, as well as methods of employing the lubricating composition in an engine and engine oils. Lubricating oils containing the dispersants of the disclosed technology simultaneously achieves seal compatibility, wear, deposit, varnish and corrosion control while also maintaining fuel economy performance over a broad temperature range.

Hindered amine terminated succinimide dispersants and lubricating compositions containing same

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.

Pyran dispersants

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.

Dispersants derived from hydroxy fatty acid polyesters and polyalkylene glycol dispersants

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.

Amine terminated and hydroxyl terminated polyether dispersants

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

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.

Lubricating compositions containing salts of hydrocarbyl substituted acylating agents

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.

Lubricating composition containing a dispersant

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 Ccarboxylic acid into a polyester, an optionally hydroxy-substituted Ccarboxylic acid, a C-hydrocarbyl substituted acylating agent, and a polyolefin-substituted maleic anhydride. The invention further provides compositions for inks, thermoplastics, plasticizers, plastisols, crude grinding and flush.

Dispersant composition

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.

Asphaltene dispersant containing lubricating compositions

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Nottingham, United Kingdom

Joanne L Jones