The Lubrizol Corporation

The Lubrizol Corportion

James P Roski

John Kent Pudelski

James D Burrington

Gary M Walker

Herman F George

John R Martin

Ewan E Delbridge

Mohamed G Fahmy

Melinda E Bartlett

Bruce H Grasser

Barbara L Soukup

David J Moreton

William D Abraham

Virginia A Carrick

Kamalakumari Kunchithapatham Salem

W Preston Barnes

Adam Cox

Gordon D Lamb

Paul E Adams

Craig D Tipton

Yanshi Zhang

Jody A Kocsis

Richard A Denis

Christopher L Friend

James J Schwind

Thomas J Wolak

Susan V Cowling

Jack L Karn

Jonathan S Vilardo

Stephen J Cook

Jerry L Rutter

Nai Z Huang

Daniel E Barrer

Roger L Sowerby

Willis P Nichols

John M Cahoon

Gary A Garvin

Betsy J Butke

Alexandra Mayhew

Jayasooriya Sujith Perera

Claire L Hollingshurst

Frank M Van Lier

Christopher J Ciolli

Elisa J Seddon

Victor A Gober

David A McCaughey

Robert D Dura

Jennifer M Ineman

Richard Leahy

Andre Grange

Roger L Parsons

Jason E Melvin

R Ian Wilby

Jayasooriya Perera

Kamalakumari Kunchithapatham

Preston Barnes

Christopher Friend

The disclosed technology provides alkylphenol-containing detergent having at least one unit (a) of an alkyl-substituted phenol wherein the alkyl group is derived from oligomers of an olefin compound containing 3 to 8 carbon atoms, wherein the polyolefin-derived alkyl group comprises at least 30 mol percent of an olefin with 4 or more carbon atoms. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.

Alkylphenol detergents

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.

A sulfurized alkaline earth metal (e.g., calcium) dodecylphenate is prepared by reacting (i) dodecylphenol with (ii) calcium hydroxide or calcium oxide in an amount of about 0.3 to about 0.7 moles per mole of dodecylphenol charged and (iii) an alkylene glycol in an amount of about 0.13 to about 0.6 moles per mole of dodecylphenol charged; and reacting the product of the first step with sulfur in an amount of about 1.6 to about 3 moles per mole of dodecylphenol charged; and thereafter optionally reacting the product with additional calcium hydroxide or calcium oxide and with carbon dioxide so as to form an overbased phenate. The product thus prepared has reduced levels of monomeric dodecylphenol.

Method for preparing a sulfurized alkaline earth metal dodecylphenate

A lubricant composition comprising an oil of lubricating viscosity and an oil-soluble branched-chain hydrocarbyl-substituted arenesulfonic acid salt, wherein the arenesulfonic moiety has at least one hydrocarbyl substituent which is a highly branched group as defined by having a Chi(0)/Shadow XY ratio greater than about 0.180, exhibits good dynamic frictional performance.

Highly branched sulfonates for drive-line applications

A lubricant additive gel formed by the gellation of two or more lubricant additives for the slow release of the additive components into a fluid. The lubricant additive gel slowly releases into its component lubricant additives when contacted with the fluid such as an oil thereby serving as a lubricant fluid such as an oil thereby.

Slow release lubricant additives gel

A lubricating composition containing (a). at least 3 weight percent of an overbased sulphonate detergent with a metal ratio of 12.5:1 to 40:1; (b). at least 1.5 weight percent of a sulphur containing phenate detergent with a metal ratio of not more than 2.5; and (c). an oil of lubricating viscosity, wherein the sulphur containing phenate contains oligomers of hydrocarbyl phenol with at least 50 wt % of said oligomers in the form of the tetramer or higher oligomers. The composition is suitable for internal combustion engines, particularly marine diesel applications to provide improved cleanliness decreased cylinder wear and reduced deposits.

Lubricating compositions containing sulphonates and phenates

This invention relates to an overbased vaterite containing composition, comprising: a disperse medium, and a calcium salt and calcium carbonate dispersed in the disperse medium, at least about 50% by weight of the calcium carbonate being in the form of vaterite, the composition being substantially haze free.

Overbased vaterite containing salt composition

In accordance with the present invention, it has been discovered that additive gels can provide additives to a functional fluid over time. In accordance with the present invention it has been discovered that an additive gel comprising

Controlled release of additive gel(s) for functional fluids

Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.

Additive formulation for lubricating oils

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Wickliffe, OH, United States of America

James P Roski