The Lubrizol Corporation

Kamalakumari Kunchithapatham Salem

David J Moreton

Ewan E Delbridge

James P Roski

Gary M Walker

Mohamed G Fahmy

W Preston Barnes

Adam Cox

Yanshi Zhang

James H Bush

Elizabeth A Schiferl

Jayasooriya Sujith Perera

David M Nickerson

Rochelle L Kovach

Kevin J Hughes

Thomas S Corrigan

Sona Sivakova

Robert D Dura

Jason E Melvin

William RS Barton

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid ('multifunctional monomer') are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising Cto Calkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising Cto Calkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed.

Polyacrylate antifoam components for use in fuels

There is disclosed an antifoam component which includes at least one acrylamide polymer for use in a diesel fuel. Acrylamide polymers prepared by polymerizing a (meth)acrylamide monomer to yield a homopolymer or, alternatively, the acrylamide polymer may be prepared by polymerizing a (meth)acrylamide monomer and a (meth)acrylate monomer to yield a heteropolymer.

Polyacrylamide antifoam components for use in diesel fuels

A lubricating composition includes a sulfurized oxy-substituted aromatic polyol compound and an oil of lubricating viscosity. The sulfurized oxy-substituted aromatic polyol compound includes at least one of a sulfurized oxy-substituted aromatic polyol and a salt of a sulfurized oxy-substituted aromatic polyol. The compound is suitable as a replacement for detergents that contain Calkyl phenols derived from oligomers of propylene.

Sulfurized catecholate detergents for lubricating compositions

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.2 wt % to 10 wt % of a salt of a hydroxyl functional aromatic compound. The disclosed technology further relates to a method of lubricating a mechanical device with the lubricant composition.

Aromatic detergents and lubricating compositions thereof

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 10 wt % of an oxyalkylated aromatic polyol compound, wherein the aromatic compound has at least one alkoxy group represented by &#x2014;ORgroup, Ris hydroxyalkyl, or a (poly)ether group, and either: at least one hydroxyl group, or at least one alkoxy group represented by ORgroup, where Ris alkyl, or a (poly)ether group, or at least one oxyalkyl group represented by &#x2014;OR, where Ris hydroxyalkyl or a (poly)ether group. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the oxyalkylated aromatic polyol compound in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear.

Lubricating composition containing an oxyalkylated aromatic polyol compound

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.01 wt % to 10 wt % of an oxyalkylated aromatic polyol compound, wherein the aromatic compound has at least one alkoxy group represented by &#x2014;ORgroup, Ris hydroxyalkyl, or a (poly)ether group, and either: at least one hydroxyl group, or at least one alkoxy group represented by &#x2014;ORgroup, where Ris alkyl, or a (poly)ether group, or at least one oxyalkyl group represented by &#x2014;OR, where Ris hydroxyalkyl or a (poly)ether group. The disclosed technology further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition. The disclosed technology further relates to the use of the oxyalkylated aromatic polyol compound in the lubricating composition to a passenger car internal combustion engine at least one of (i) control of fuel economy, (ii) control of corrosion, (iii) cleanliness, and (iv) control of bore wear.

Growing community of inventors

Mentor, OH, United States of America

Kamalakumari Kunchithapatham Salem