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The Lubrizol Corporation
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The Lubrizol Corporation patents


Recent patent applications related to The Lubrizol Corporation. The Lubrizol Corporation is listed as an Agent/Assignee. Note: The Lubrizol Corporation may have other listings under different names/spellings. We're not affiliated with The Lubrizol Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | The Lubrizol Corporation-related inventors


 new patent  Ashless or reduced ash quaternary detergents

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base... The Lubrizol Corporation

Water soluble chain transfer agents

The disclosed technology relates to water soluble, or partially water soluble, chain transfer agents for preparing water soluble polymers by Reversible Addition-Fragmentation Chain Transfer (“RAFT”) polymerization in an aqueous medium.... The Lubrizol Corporation

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 a boron-containing ashless dispersant. The ashless dispersant may be selected from succinimide compounds... The Lubrizol Corporation

Additive compositions for drilling fluids and methods for their use

There is disclosed an additive composition for a drilling fluid, as well as a method of increasing the lubricity and reducing the coefficient of friction of a drilling fluid. The additive composition contains a polymeric ester formed from the reaction product of i) a triglyceride of a hydroxy fatty acid;... The Lubrizol Corporation

Lubricants containing quaternary ammonium compounds

A driveline device is lubricated with a composition of an oil of lubricating viscosity and an oil-soluble quaternary ammonium compound, such as a succinimide or succinamide material or dispersant further containing a quaternary nitrogen atom, and a thiadiazole compound.... The Lubrizol Corporation

Lubricating compositions comprising an anti-wear/friction modifying agent

A phosphate complex of a borate ester provides wear- and friction-reducing performance to an engine or driveline device. The complex may be a pyroborate-hydrocarbyl-substituted phosphate adduct. Boric acid may be reacted with a diol to form an ester, then reacting said ester with an ammonium salt of phosphoric acid or... The Lubrizol Corporation

Aromatic detergents and lubricating compositions thereof

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.... The Lubrizol Corporation

Method of lubricating an internal combustion engine

The disclosed technology provides a method of lubricating a compression-ignition internal combustion engine with a maximum laden mass over 2,700 kg comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, a 300 TBN or higher alkaline earth metal sulfonate detergent having a metal ratio of... The Lubrizol Corporation

Process for preparing polymers and compositions thereof

The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer... The Lubrizol Corporation

Composition containing a block copolymer and a lubricating an internal combustion engine

The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer. The block copolymer may contain (a) a hydrophobic first block having C1-30 alkyl (meth)acrylic units, wherein at least 50 wt % of the C1-30 alkyl (meth)acrylic units are C12-15 alkyl (meth)acrylic units, and up... The Lubrizol Corporation

Aromatic tetrahedral borate compounds for lubricating compositions

A lubricating composition includes an oil of lubricating viscosity and an ionic tetrahedral borate compound which includes a cation and a tetrahedral borate anion which includes a boron atom, the boron atom having at least one aromatic bidentate di-oxo ligand. The compound may be represented by formula (I), where R1... The Lubrizol Corporation

Lubricating grease composition

The invention provides a lubricating grease composition comprising an oil of lubricating viscosity, a metallic soap thickener and a boron-containing compound, wherein the boron containing compound comprises a borate ester comprising at least one alkyl group having a branch at the β position or higher. The invention further relates to... The Lubrizol Corporation

Aminobenzoic acid derivatives

This invention relates to N-alkylated anthranilic acid derivative and their use in lubricants, such as engine oils, as TBN boosters. The invention particularly relates to compositions that deliver an ash-free base to a lubricant in the form of a basic amine additive, without adversely impacting seal compatibility and/or degradation, and... The Lubrizol Corporation

Hydroxyaromatic succinimide detergents for lubricating compositions

A lubricating composition includes an oil of lubricating viscosity and an N-substituted hydroxyaromatic succinimide or a salt thereof.... The Lubrizol Corporation

Composition for cleaning gasoline engine fuel delivery systems, air intake systems, and combustion chambers

A cleaning composition, which is suitable for cleaning fuel delivery systems, air-intake systems, intake valves, and combustion chambers, includes at least 3 wt. % of a polyether component, at least 5 wt. % of a polar solvent, and at least 5 wt. % a non-polar solvent. The polyether component is... The Lubrizol Corporation

Catalytic oxidation of hydrocarbons

An olefin or a slack wax of 10 to 100 carbon atoms is oxidized by mixing said wax with a salt of an alkaline earth metal in an amount to provide 0.001 to 0.03 weight percent of the alkaline earth metal, the anion of the salt comprising 4 to 36... The Lubrizol Corporation

Synergistic rust inhibitor combination for lubricating grease

The disclosed technology relates to an additive composition and lubricating grease composition containing a synergistic combination of ingredients for inhibiting rust, particularly rust on mechanical devices subject to contact with salt water.... The Lubrizol Corporation

Lubricating composition and lubricating driveline device

The present invention relates to a lubricating composition containing: an oil of lubricating viscosity, a non-borated dispersant, a detergent, and an antiwear package comprising (a) a derivative of a hydroxycarboxylic acid, (b) an amine salt of a phosphoric acid ester, and (c) a phosphite having at least one hydrocarbyl group... The Lubrizol Corporation

Oxidized alpha-olefins in rust preventive coatings

A coating composition comprising an oxidized α-olefin having 16 to 40 carbon atoms and one or more carboxylic acid or ester groups; a hydrocarbon-soluble ester-containing polymer having at least one branch of 10 to 36 carbon atoms and having a number average molecular weight of 5000 to 300,000; a carboxylic... The Lubrizol Corporation

High conductivity fluid for air compressor applications

The disclosed technology relates to a lubricant composition containing a polyalkylene glycol in which greater than 50% of the repeating units in the polyalkylene glycol contain an alkylene oxide derived moiety comprising a C4 or greater alkyl group. The lubricant compositions are particularly useful in compressors, such as a reciprocating... The Lubrizol Corporation

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 —OR1 group, R1 is hydroxyalkyl, or a (poly)ether group, and either:... The Lubrizol Corporation

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 −OR1 group, R1 is hydroxyalkyl, or a (poly)ether group, and either:... The Lubrizol Corporation

Thiol-carboxylic adducts as lubricating additives

Lubricating compositions comprising a thiol-carboxylic adduct that is the reaction product of a thiol and carboxylic acid and/or a carboxylic acid derivative. The lubricating composition also comprises an antiwear agent. Methods of lubricating an internal combustion engine comprise contacting the internal combustion engine with a lubricating composition comprising a thiol-carboxylic... The Lubrizol Corporation

Mixed phosphorus esters for lubricant applications

A lubricant composition of an oil of lubricating viscosity and a phosphite ester reaction product of a monomeric phosphorous acid or an ester thereof with a first alkylene diol having two hydroxy groups in a 1,4 or 1,5 or 1,6 relationship and a second, alkyl-substituted, diol being a substituted 1,3-propylene... The Lubrizol Corporation

Lubricating oil composition

The invention provides a lubricant composition containing an oil of lubricating viscosity and a boron-containing en.) compound, wherein the boron containing compound comprises a borate ester comprising at least one alkyl group having a branch at the ? position or higher. The invention further relates to a method of lubricating... The Lubrizol Corporation

Quaternary ammonium amide and/or ester salts

The invention relates to quaternary ammonium amide and/or ester salts and their use as additives, including their use in fuels, such as diesel fuel. The invention particularly relates to the use of quaternary ammonium amide and/or ester salts as detergents in diesel fuels.... The Lubrizol Corporation

Dispersant viscosity modifiers with sulfonate functionality

A lubricating composition includes an oil of lubricating viscosity and an oil-soluble dispersant viscosity modifier, which includes an olefin-based polymer backbone and at least one pendent functional group. Each of the at least one pendent functional group is independently attached to the olefin-based polymer backbone by a linking group. The... The Lubrizol Corporation

Dispersant viscosity modifiers with amine functionality

A lubricating composition includes an oil of lubricating viscosity and an oil-soluble dispersant viscosity modifier. The dispersant viscosity modifier includes an olefin-based polymer backbone and at least one pendent group derived from a functionalized aliphatic amine. Each pendent group is independently attached to the olefin-based polymer backbone. The pendent group... The Lubrizol Corporation

Lubricating composition containing an oxyalkylated hydrocarbyl phenol

The disclosed technology provides lubricating composition comprising: an oil of lubricating viscosity, a p-dodecyl-phenol-free detergent and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 1 to 250 carbon atoms (or 20 to 220, or 30 to 150 carbon atoms),... The Lubrizol Corporation

Lubricating composition for lead and copper corrosion inhibition

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

Marine diesel lubricating composition

The invention provides a method of lubricating a 2-stroke marine diesel cylinder liner with a lubricating composition having a total base number of 10 to 25 mg KOH/g. The invention further provides a lubricating composition for lubricating the 2-stroke marine diesel cylinder liner.... The Lubrizol Corporation

Anti-corrosion additives

A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted aminoester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides good iron and copper corrosion performance in driveline or... The Lubrizol Corporation

Industrial gear lubricant additive package with biodegradable sulfur component

The present technology includes an extreme pressure additive package formulated with a biodegradable sulfur component, which additive package can achieve suitable extreme pressure performance when formulated into a fully formulated industrial gear oil lubricant.... The Lubrizol Corporation

Alkylphenol detergents

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... The Lubrizol Corporation

Motorcycle engine lubricant

The present invention relates to lubricant compositions for motorcycle engines where the crankcase lubricant is also used to lubricate a wet clutch. The lubricant compositions contain antimony dithiocarbamates in combination with one or more ash-free friction modifiers.... The Lubrizol Corporation

07/13/17 / #20170198233

Lubricating composition containing an oxyalkylated hydrocarbyl phenol

The invention provides lubricating composition comprising: an oil of lubricating viscosity, and an oxyalkylated hydrocarbyl phenol, wherein the oxyalkylated hydrocarbyl phenol is substituted with at least one aliphatic hydrocarbyl group of 40 to 96 carbon atoms, and wherein the oxyalkylated hydrocarbyl phenol is substantially free of aromatic hydrocarbyl groups. The... The Lubrizol Corporation

06/29/17 / #20170183602

Amine terminated and hydroxyl terminated polyether 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... The Lubrizol Corporation

06/22/17 / #20170175027

Method of lubricating an internal combustion engine

The invention relates to a method of lubricating an internal combustion engine comprising supplying to the engine a lubricating composition comprising: an oil of lubricating viscosity, 2.3 wt % to 4 wt % of a dispersant package, wherein the dispersant package comprises: a borated succinimide dispersant obtainable by an “ene”... The Lubrizol Corporation

06/22/17 / #20170175028

Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil composition

Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating... The Lubrizol Corporation

05/18/17 / #20170137738

Synthetic industrial lubricants with improved compatibility

The invention relates to industrial gear oil compositions that have been specially designed to have improved storage stability and/or paint compatibility and/or seal compatibility. This improvement is achieved while maintaining good performance in other areas. These improvements are particularly relevant to synthetic lubricants, such as those made with polyalphaolefin (PAO)... The Lubrizol Corporation

05/18/17 / #20170137740

Functionalised copolymers and lubricating compositions thereof

The present invention relates to a lubricating composition comprising an oil of lubricating viscosity and a (thio)phosphate salt of an amine-functionalized esterified copolymer, wherein the esterified copolymer comprises units derived from monomers: (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof, that are esterified with an... The Lubrizol Corporation

05/04/17 / #20170121621

Concentrated multi-functional fuel additive packages

The disclosed technology relates to a concentrated multi-functional additive that can be continuously dosed in internal combustion engines.... The Lubrizol Corporation

05/04/17 / #20170121628

Low molecular weight amide/ester containing quaternary ammonium salts

The present technology is related to amide or ester containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight ranging from 300 to 750, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.... The Lubrizol Corporation

04/27/17 / #20170114296

Low molecular weight imide containing quaternary ammonium salts

The present technology is related to imide containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight ranging from 300 to 750, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.... The Lubrizol Corporation

04/27/17 / #20170114297

Imidazole containing quaternary ammonium salts

The present technology is related to imidazole containing quaternary ammonium salts and the use of such quaternary ammonium salts in compositions to improve the water shedding performance of the compositions.... The Lubrizol Corporation

04/20/17 / #20170107438

High molecular weight imide containing quaternary ammonium salts

The present technology is related to imide containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight of 1300 to 3000, and the use of such quaternary ammonium salts in fuel compositions or lubricating compositions to improve the water shedding performance of the fuel or lubricant composition.... The Lubrizol Corporation

04/20/17 / #20170107441

Epoxide quaternized quaternary ammonium salts

The present technology is related to quaternary ammonium salts prepared with alcohol functionalized and/or C4 to C20 epoxide quaternizing agents, such as, for example, glycidol and 1,2-butylene oxide, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.... The Lubrizol Corporation

04/20/17 / #20170107442

Antiwear composition and lubricating driveline device

The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device application by employing a lubricating composition containing the antiwear agent.... The Lubrizol Corporation

04/13/17 / #20170101594

Coupled quaternary ammonium salts

The present technology is related to coupled quaternary ammonium salts, and the use of such coupled quaternary ammonium salts in fuel and oil compositions, or demulsification and/or engine performance of the compositions.... The Lubrizol Corporation

04/06/17 / #20170096610

High molecular weight amide/ester containing quaternary ammonium salts

The present technology is related to amide or ester containing quaternary ammonium salts having a hydrocarbyl substituent of number average molecular weight of 1300 to 3000, and the use of such quaternary ammonium salts in fuel compositions to improve the water shedding performance of the fuel composition.... The Lubrizol Corporation

04/06/17 / #20170096611

Branched amine containing quaternary ammonium salts

The present technology is related to branched amine containing quaternary ammonium salts, and the use of such quaternary ammonium salts in fuel and oil compositions.... The Lubrizol Corporation

04/06/17 / #20170096613

Mixtures of friction modifiers to provide good friction performance to transmission fluids

Mixtures of friction modifiers provide excellent friction performance to transmission fluids, where the friction modifiers include an N-substituted oxalic acid bisamide or amide-ester containing at least two hydrocarbyl groups of 12 to 22 carbon atoms; and an amide or thioamide represented by R1R2N—C(X)R3 where X is O or S, R1... The Lubrizol Corporation

03/30/17 / #20170088789

Lubricants containing blends of polymers

A lubricant composition comprising (a) an oil of lubricating viscosity; (b) a (meth)-acrylate-containing polymer comprising a multiplicity of arms containing at least 20 carbon atoms, said arms being attached to a multivalent organic moiety; and (c) an ethylene/olefin copolymer having a weight average molecular weight of about 10,000 to about... The Lubrizol Corporation

03/23/17 / #20170081609

Hydroxy functionalized ashless additive

The disclosed technology relates to hydroxy functionalized ashless additives useful in engine oil compositions due to their ability to reduce deposits, particularly deposits seen in turbocharged direct injection (TDI) engines. The described additives include ashless saturated compounds having a long chain hydrocarbyl polymer terminated by a hydroxyl group. The disclosed... The Lubrizol Corporation

03/16/17 / #20170073604

Lubricant composition containing an antiwear agent

The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma-(γ-) or delta-amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.... The Lubrizol Corporation

03/16/17 / #20170073606

Method of lubricating an internal combustion engine

The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt... The Lubrizol Corporation

03/16/17 / #20170073608

Lubricant composition containing an antiwear agent

The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a protic acid salt of an N-hydrocarbyl-substituted gamma- (γ-) or delta- (δ-)amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.... The Lubrizol Corporation

03/16/17 / #20170073613

Method of lubricating an internal combustion engine

The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt... The Lubrizol Corporation

03/02/17 / #20170058072

Star polymers and compositions thereof

wherein R1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical... The Lubrizol Corporation

03/02/17 / #20170058230

Stabilized blends containing friction modifiers

The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as... The Lubrizol Corporation

03/02/17 / #20170058231

Engine lubricants containing a polyether

A sump-lubricated, spark-ignited engine is lubricated by supplying thereto a lubricant which comprises (a) an oil of lubricating viscosity; (b) a polyether; and (c) a metal-containing detergent. The lubricant has a total phosphorus content of less than 0.075 percent by weight.... The Lubrizol Corporation

02/23/17 / #20170051225

Basic ashless additives

A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted δ-aminoester or δ-aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl... The Lubrizol Corporation

02/16/17 / #20170044460

Multigrade lubricating compositions

The invention relates to a method of lubricating a mechanical device (such as an internal combustion engine) with a lubricating composition. The invention further relates to the use of the lubricating composition for an internal combustion engine to provide improved fuel economy and providing at least one of (i) wear... The Lubrizol Corporation

01/26/17 / #20170022438

Method and compositions that provide detergency

The present invention relates to methods of fueling an internal combustion engine, and composition, that provide improved nitrogen-free detergency in the engine, particularly in the area of injector deposit control. The present invention also provides methods of providing both improved detergency and improved corrosion inhibition, while avoiding compatibility problems with... The Lubrizol Corporation

01/26/17 / #20170022443

Emulsifier components and methods of using the same

This invention relates to an additive comprising a functional group derived from a first hydrocarbyl-substituted acylating agent and a functional group derived from a second hydrocarbyl-substituted acylating agent, where the functional groups are coupled by a functional group derived from an alkylene glycol. The invention also relates to an emulsifier... The Lubrizol Corporation

Patent Packs
01/26/17 / #20170022444

Ashless or reduced ash quaternary detergents

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base... The Lubrizol Corporation

01/19/17 / #20170015924

Composition containing ester compounds and a lubricating an internal combustion engine

The invention provides a lubricating composition containing a β-amino compound. 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 β-amino carbonyl compound as copper corrosion inhibitors, friction control agents,... The Lubrizol Corporation

01/19/17 / #20170015925

Method for preparing a sulfurized alkaline earth metal dodecylphenate

An overbased sulfurized alkaline earth metal alkylphenate is prepared by reacting an alkylphenol with an alkaline earth metal hydroxide or an alkaline earth metal oxide and sulfur in the presence of an alkylene glycol or dialkylene glycol, or ether thereof and in the presence of an oil of lubricating viscosity,... The Lubrizol Corporation

01/05/17 / #20170002243

Lubricant for low global warming potential refrigerant systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes an ester based lubricant and a low GWP refrigerant, and where the ester based lubricant includes an ester of one or more branched carboxylic... The Lubrizol Corporation








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