The Lubrizol Corporation

Jeffry G Dietz

Mark R Baker

Paul E Adams

Patrick E Mosier

Matthew D Gieselman

Alexander Sammut

John Kent Pudelski

David J Moreton

Paul R Stevenson

Richard Yodice

Mary Galic Raguz

Christopher J Kolp

James D Burrington

Seth L Crawley

Charles K Baumanis

Richard M Lange

Matthew R Sivik

John R Johnson

Carlos L Cerda De Groote

Gregory R McCullough

William R S Barton

Mark C Davies

Jonathan S Vilardo

Stuart L Bartley

Jerry L Rutter

Kasturi Lal

Brent R Dohner

David C Arters

Mitchell M Jackson

Dennis M Dishong

James R Shanklin, Jr

Kurt F Wollenberg

Naresh Chand Mathur

Keith Corkwell

Steven A Goodlive

Paul A Lewis

Raymond M Calder

Warren R Pistillo

Wolfie Kotzen

Frederic Martin

Rocco W Pistillo

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.

Lubricant compositions for direct injection engine

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an ashless antioxidant. The ashless antioxidant may be selected from phenolic compounds, aryl amine compounds, and sulfurized olefins, especially 2,6-hindered phenols and diarylamine compounds.

Lubricant compositions for direct injection engines

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a boron-containing ashless dispersant. The ashless dispersant may be selected from succinimide compounds prepared from aliphatic or aromatic amines.

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and an overbased sodium detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, including sulfonate detergents with a metal ratio of at least 5.

The invention is directed to a method for reducing low speed pre-ignition events in a spark-ignited direct injection internal combustion engine by supplying to the sump a lubricant composition which contains an oil of lubricating viscosity and a metal overbased detergent. The metal overbased detergent may be selected from sulfonate detergents, phenate detergents, and salicylate detergents, especially sulfonate detergents with a metal ratio of at least 5.

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 present invention related to a fuel additive package for a low-sulfur diesel fuel made up of specific grades of fatty acids higher in di-unsaturated fatty acids such as linoleic acid blended in an aromatic solvent and a compatibilizer mixture which consists of low molecular weight alcohols and low molecular weight acylated nitrogen compound, which is the reaction product of alkyl succinic anhydride and an alkanolamine.

Low temperature stable fatty acid composition

The present invention provides a nitrogen-free fuel detergent additive, fuel additive and fuel compositions containing the same, as well as a process for making such additives, where the additive may be described as a hydrocarbyl-substituted alkyloxy and/or hydroxy aromatic compound and may be produced by the reaction of (i) an alkyloxy and/or hydroxy aromatic compound and (ii) a polyolefin containing from 4 to 350 carbon atoms, in the presence of an optional solvent and/or catalyst, wherein the resulting nitrogen free additive provides acceptable engine deposit control that is comparable and/or better than the deposit control provided by nitrogen-containing fuel additives.

Nitrogen-free deposit control fuel additives and one step process for the making thereof

An additive composition comprises a Mannich reaction product of a) a polyisobutylene (PIB) alkylated hydroxyaromatic compound, b) an aldehyde, and c) an amine containing at least one reactive amino group where the PIB is derived from a conventional PIB and a high vinylidene PIB. A fuel additive concentrate composition, a fuel composition, and a method to reduce deposit formation in a fuel system of an internal combustion engine employ the additive composition that comprises the Mannich reaction product which is unexpectedly effective in reducing deposits. A PIB alkylated hydroxyaromatic compound, that is prepared from a mixture of high vinylidene and conventional PIBs, is both a functional additive and an intermediate to a functional additive and the process to prepare it involves running the alkylation reaction at 5 to 40&#xb0; C.

Alkylated hydroxyaromatic compound from conventional and high vinylidene polyisobutylenes and compositions and processes thereof

A fuel additive concentrate comprises a friction modifier selected from the group consisting of an alkoxylated fatty amine, a fatty acid or derivative thereof, and mixture thereof; an alcohol; and a compatibilizer selected from the group consisting of a low molecular weight carboxylic acid or anhydride or derivative there of, glycol ether, alkylated phenol, and a mixtures thereof wherein the fuel additive concentrate remains fluid at &#x2212;80 C or lower wherein the solvent has enough aromatic content to permit the fuel additive concentrate to be a fluid at minus 80 C. A fuel composition comprises fuel and the fuel additive concentrate. A method of operating a gasoline internal combustion engine comprises fueling the engine with the fuel composition and is effective in reducing fuel consumption.

Fuel additive concentrate composition and fuel composition and method thereof

A composition of matter comprising an amine acylated with a hydrocarbyl group substituted carboxylic acylating agent containing an average of from 1.3 to 1.6 groups derived from &#x3b1;,&#x3b2;-unsaturated carboxylic compounds perof the hydrocarbyl group, wherein the hydrocarbyl group hasdetermined by GPC ranging from 1500 to 3000, the amine comprises polyamine bottoms and said acylated amine has total base number (TBN) ranging from 17 to 35. A method for preparing the composition, lubricating oils containing the composition and, in another embodiment, lubricating oil compositions of this invention further comprising a metal overbased sulfonate detergent.

Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds

Growing community of inventors

Shaker Heights, OH, United States of America

Jeffry G Dietz