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Assignee: THE LUBRIZOL CORPORATION


Location: WICKLIFFE, OH, US
No. of applications: 96

1      
Application No.Application TitleIssue Date
20120067798Slow Release Lubricant Additives Gel
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 o...
03/22/2012
20120046206Lubricating Composition Containing a Carboxylic Functionalised Polymer and Dispersant
The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricat...
02/23/2012
20120040876Anthranilic Esters as Additives in Lubricants
This invention relates to anthranilate esters and their use in lubricants, such as engine oils. 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 compat...
02/16/2012
20120021958Oxalic Acid Bis-Amides or Amide-Ester as Friction Modifiers in Lubricants
A composition is provided suitable for use as a friction modifier for an automatic transmission, comprising an N-substituted oxalic acid bisamide or amide-ester containing at least two hydrocarbyl groups of 12 to 22 carbon atoms....
01/26/2012
20120021956Composition Containing Ester Compounds and a Method of Lubricating an Internal Combustion Engine
The invention provides a lubricating composition containing a ?-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...
01/26/2012
20120018001Method for Improved Performance of a Functional Fluid
In accordance with the invention, it has been discovered that the performance of a functional fluid, such as a lubricant, can be improved by following a method of operating a functional fluid using device, such as an engine, comprising: supplying to the device a functio...
01/26/2012
20110269656Free Standing Gels for Self-Contained Slow Release Additives
In accordance with the present invention, it has been discovered that free standing lubricant additive gels can “provide additives to a functional fluid over time, wherein the free standing gel comprises at least two of the following components: a basic component, an ...
11/03/2011
20110263470Composition Containing a Block Copolymer and a Method of 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)acr...
10/27/2011
20110306529Star Polymer Lubricating Composition
The invention provides a lubricating composition containing (a) 0.001 to 15 wt % of a polymer with (i) a weight average molecular weight of 50,000 to 1,000,000; and (ii) a shear stability index of 10 to 100; (b) an antiwear agent; (c) a corrosion inhibitor; and (d) an o...
12/15/2011
20110306528Lubricating Composition Containing a Functionalised Carboxylic Polymer
The invention provides a lubricating composition comprising an oil of lubricating viscosity and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 aromatic groups, at least one —NH2 functional group, ...
12/15/2011
20110299081Optically Active Functional Fluid Markers
The present invention relates to a method of identifying in a fluid by measuring the amount of optical rotation the fluid causes in a beam of polarized light. The invention further provides for the use of an optional optically active marker in the fluids in order the im...
12/08/2011
20110297122Method of Operating an Engine Using an Ashless Consumable Lubricant
The present invention relates to methods of using a low sulfur, low phosphorus, low-ash, zinc free consumable lubricating composition in an internal combustion engine equipped with a pilot ignition system, where the composition comprises: an oil of lubricating viscosity...
12/08/2011
20110294707Method of Lubricating a Tractor Hydraulic
The present invention relates to a method of lubricating a tractor with a lubricating composition containing: an oil of lubricating viscosity and a sulphur-free phosphorus-containing salt of either (i) a hydroxy-substituted di-ester of phosphoric acid, or (ii) a phospho...
12/01/2011
20110292388Optically Active Functional Fluid Markers
The present invention relates to a method of identifying in a fluid by measuring the amount of optical rotation the fluid causes in a beam of polarized light. The invention further provides for the use of an optional optically active marker in the fluids in order the im...
12/01/2011
20110287989Hydraulic Composition with Improved Wear Properties
The present invention relates to methods of lubricating a mechanical device by using a low sulfur lubricating composition that contains a friction modifier and provides improved antiwear performance. The invention further provides the lubricating compositions used there...
11/24/2011
20110245116Lubricating Oil Composition and Method of Improving Efficiency of Emissions Control System
The disclosed technology relates to a lubricating oil composition comprising at least one base oil and at least one overbased low molecular weight zinc dialkyldithiophosphate derived from one or more dithiophosphoric acids represented by the formula (I) and/or a metal s...
10/06/2011
20110237479Method of Lubricating an Internal Combustion Engine
The invention provides a method of lubricating an internal combustion engine in the presence of a contaminant amount of water. The invention further relates to the use of a derivative of a hydroxy-carboxylic acid or a monoester of a polyol and an aliphatic carboxylic ac...
09/29/2011
20110237472Antiwear Angent and Lubricating Compositions Thereof
The present invention relates to an antiwear agent and lubricating compositions thereof. The invention further provides for a method of lubricating a driveline device or a grease application by employing a lubricating composition containing the antiwear agent....
09/29/2011
20110224115Reducing High-Aqueous Content Sludge in Diesel Engines
Formation of high-aqueous content sludge may be reduced in a sump lubricated diesel engine lubricated with a lubricating oil formulation that contains at least 0.07 or 0.08 weight percent nitrogen derived from one or more nitrogen-containing ashless dispersants, by incl...
09/15/2011
20110219674Additives to Reduce Metal Pick-Up in Fuels
The present invention relates to fuel additives, fuel additive compositions and fuel compositions, as well as a method for fueling an internal combustion engine, providing reduced metal pick-up by fuels where the compositions of the present invention contain a hydrocarb...
09/15/2011
20110218129Delivery of Substantially Insoluble Additives to Functional Fluids
In accordance with the present invention, it has been discovered that an additive which is substantially insoluble in, has low solubility in and/or is otherwise incompatible with a functional fluid, may be supplied to the functional fluid by use of a gel composition and...
09/08/2011
20110207635Lubricating Composition Containing Metal Carboxylate
The invention relates to a lubricating composition comprising (a) at least 0.05 wt % of a non-aromatic metal carboxylate, wherein the metal carboxylate is derived from a branched carboxylic acid, and (b) an oil of lubricating viscosity. The invention further provides fo...
08/25/2011
20110190182Novel Copolymers and Lubricating Compositions Thereof
The present invention relates to a copolymer comprising units derived from monomers (i) an α-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified with a primary alcohol branched at the β- or higher position, wherein the copoly...
08/04/2011
20110190180Composition Containing Heterocyclic Compounds and a Method of Lubricating an Internal Combustion Engine
The present Invention relates to the use of a compound in a lubricating composition as an engine oil antiwear and/or extreme pressure agent, wherein the compound is a heterocycle having a hydrocarbyl group containing 6 to 40 carbon atoms, wherein the heterocycle is eith...
08/04/2011
20110185626Quaternary Ammonium Salt Detergents for Use in Fuels
A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino gro...
08/04/2011
20110177988Antiwear Composition and Method of Lubricating Driveline Device
The present invention relates to a method of driveline device by supplying to the driveline device a lubricating composition containing an oil of lubricating viscosity and an antiwear package, wherein the antiwear package includes: (a) derivatives of a carboxylic acid (...
07/21/2011
20110172134Antiwear Containing Lubricating Composition
The present invention relates to a lubricating composition containing a sulphur-free metal salt of a hydrocarbyl-substituted phosphorus compound and an organo-sulphide. The composition has a sulphur content of greater than 0.3 weight percent of sulphur. The invention fu...
07/14/2011
20110162260Alcohol Fuel Soluble Additive for Removing Deposits in Fueling Systems
The present invention provides a fuel additive composition comprising (a) an alkoxylate detergent, (b) a fatty acid or derivative thereof, or mixtures thereof wherein the additive composition is soluble in the fuel where the fuel is a blend of hydrocarbonaceous and nonh...
07/07/2011
20110160106Lubricant for Natural Gas Engines
An engine fueled by natural gas may be lubricated by providing thereto a lubricant composition of an oil of lubricating viscosity, an overbased monovalent metal detergent in an amount to provide at least about 0.01 weight percent monovalent metal to the lubricant compos...
06/30/2011
20110152142Method of Lubricating an Internal Combustion Engine
The invention provides a method of lubricating an internal combustion engine comprising supplying to said engine a dispersion, the dispersion comprises: (a) a metal base; (b) a surfactant; and (c) an organic medium in which the metal base is uniformly dispersed by physi...
06/23/2011
20110143982Additive System for Lubricating Fluids
The invention concerns an additive package for a lubricating fluid or grease containing an effective amount of a phosphorus-containing antiwear additive, the improvement comprising the absence of primary, secondary, tertiary, cyclic low molecular weight aliphatic amines...
06/16/2011
20110143981Quaternary Ammonium Salt Detergents for Use in Lubricating Compositions
A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino gro...
06/16/2011
20110130317Quaternary Ammonium Salt of a Mannich Compound
A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) Mannich reaction product having a tertiary amino group, said Mannich reaction product being prepared from the reaction of a hydrocarbyl-substituted phenol, an aldehyde, and amine...
06/02/2011
20110111992LUBRICATING FLUIDS
The invention concerns a fully formulated lubricating fluid or grease comprising an additive package and a major amount of base oil, the improvement comprising the substantial absence of low molecular weight primary, secondary, tertiary, cyclic aliphatic mono or polyami...
05/12/2011
20110071063High Viscosity Synthetic Ester Lubricant Base Stock Blends
Cross blends of synthetic ester base stocks are produced from high viscosity synthetic ester base stocks having a viscosity from about iso 120 to 140 and conventional synthetic ester base stocks of varying viscosities to form base stocks having viscosities from about is...
03/24/2011
20110065617METAL CONTAINING HYDRAULIC COMPOSITIONS
The present invention relates to a lubricating composition containing an oil of lubricating viscosity, a metal containing antiwear agent and a metal containing dispersant. The invention further provides for a method for lubricating a hydraulic system....
03/17/2011
20110059881Sulphur Free Composition And Lubricant Composition And Methods Thereof
A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof; and (a)(ii) an organic nitrogen-con...
03/10/2011
20110048354Quaternary Salts for Use as Surfactants in Dispersions
The invention provides a composition comprising a dispersion comprising (a) an inorganic metal compound, (b) a quaternary salt surfactant and (c) an organic medium, wherein the metal compounds are uniformly dispersed in the organic medium. The invention also provides fu...
03/03/2011
20110036784Filter Cap Additive Delivery System
A additive delivery system and method which includes a additive gel, a filter and a fluid/gel chemistry exchange region, wherein the exchange region subjects the additive gel to different types or combinations of contact with the fluid in order to control the additive r...
02/17/2011
20110020940Marker Dyes for Petroleum Products
The present invention relates to using a marker in a functional fluid, which survives the use of the functional fluid in an application, with a reagent solution to identify the functional fluid rapidly either before, during or after the functional fluid's use and which ...
01/27/2011
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