The Lubrizol Corporation

Seth L Crawley

Matthew D Gieselman

Patrick E Mosier

William R S Barton

Jody A Kocsis

Daniel J Saccomando

Calvin W Schroeck

Jason R Brown

William C Ward, Jr

David J Moreton

Jeffry G Dietz

Paul R Stevenson

Richard Yodice

Suzanne Patterson

Ewan E Delbridge

Yanshi Zhang

Virginia A Carrick

Jonathan S Vilardo

Matthew R Sivik

Scott Capitosti

James C Ray

Betsy J Butke

Kurt F Wollenberg

William Barton

Douglas M Barr

William C Ward

William RS Barton

Jeffrey G Dietz

Calvin W Schroek

William Ward C

WilliamC Ward

The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.

Composition containing heterocyclic compounds and a method of lubricating an internal combustion engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless thiocarbamate compound having an optionally-substituted hydrocarbyl group on an S-atom and an optionally-substituted hydrocarbyl group on an N-atom. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

Lubricating composition containing a thiocarbamate compound

The invention provides a lubricating composition containing an oil of lubricating viscosity and a nitrile compound. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

Lubricating composition containing an antiwear agent

The invention provides a lubricating composition containing an aromatic compound and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine. The invention further relates to the use of the aromatic compound as an antiwear agent.

Lubricating composition containing an aromatic compound

The invention provides a lubricating composition containing an oil of lubricating viscosity, a compound derived from the hydroxy-carboxylic acid and a nitrile compound. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.

The invention provides a composition containing an oil of lubricating viscosity and an N-substituted malimide. The invention further relates to the use of the lubricating composition in an internal combustion engine.

Internal combustion engine lubricant

The invention provides a lubricating composition containing an oil of lubricating viscosity and an ester, thioester, amide or imide of a carboxylic acid compound where said carboxylic acid is characterized in that it is functionalized with a hydroxy-substituted aromatic moiety. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of the salt of the carboxylic acid compound as an antiwear agent or an antioxidant.

Lubricating composition containing an ester of an aromatic carboxylic acid

The invention provides a lubricating composition comprising an oil of lubricating viscosity and an amine-functionalized additive, wherein the amine-functionalized additive is derived from an amine having at least 3 aromatic groups, at least one &#x2014;NH2 functional group, and at least 2 secondary or tertiary amino groups. The invention further provides for the additive to have improved thermal and oxidative stability modifying properties. The lubricating composition may include circulating oils, turbine oils, hydraulic fluids, transformer oils and greases as well as others that require good oxidation stability and good rust inhibition properties.

Lubricating composition containing a carboxylic functionalised polymer

Lubricating composition containing a nitrile compound

The invention provides a lubricating composition containing an oil of lubricating viscosity and a product obtainable from a 1,4-conjugate addition of an aminocarboxylic acid to an activated olefin. The invention further relates to a method of lubricating an internal combustion engine by lubricating the engine with the lubricating composition. The invention further relates to the use of the product disclosed herein as a lead corrosion inhibitor.

Compounds and a method of lubricating an internal combustion engine

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Mentor, OH, United States of America

Seth L Crawley