Patent application number | Description | Published |
20090305919 | Multi-Dispersant Lubricating Composition - The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition. | 12-10-2009 |
20100099588 | Dispersant Combination for Improved Transmission Fluids - A lubricant composition of an oil, a dispersant viscosity modifier of a poly(meth)acrylate copolymer having a nitrogen-containing monomer in an amount to provide at least about 0.4 percent by weight nitrogen to the copolymer, and a succinimide dispersant prepared in the substantial absence of chlorine gives good performance as a transmission fluid. | 04-22-2010 |
20100144565 | Functional Fluid - The disclosed invention relates to a functional fluid comprising: at least one oil of lubricating viscosity; at least one detergent, the detergent contributing an amount of metal to the functional fluid equal to a concentration in the range from about 0.015 to about 1% by weight of the functional fluid, the detergent contributing an amount of basicity to the functional fluid equal to a total base number in the range from about 0.3 to about 2; and at least one friction modifier, the friction modifier comprising at least two hydrocarbyl groups attached to a polar group or atom (eg., a nitrogen atom). | 06-10-2010 |
20110294707 | Method 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 phosphorylated hydroxy-substituted di- or tri-ester of phosphoric acid. | 12-01-2011 |
20120018001 | Method 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 functional fluid composition comprising an additive package; operating the device containing the functional fluid composition; and adding to the functional fluid composition, during the operation of the device, a supplemental additive package; resulting in a performance improvement of the functional fluid composition during its service life and/or an extension of the functional fluid composition's service life, and so an improvement in the performance of the device. | 01-26-2012 |
20120135898 | Multi-Dispersant Lubricating Composition - The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition. | 05-31-2012 |
20120208731 | Lubricating Composition Containing an Ester - The invention relates to a method of lubricating a limited slip differential comprising supplying to the limited slip differential a lubricating composition containing (a) an oil of lubricating viscosity, and (b) a C4-30-diester of a dicarboxylic acid. The invention further provides for the use of the C4-30-diester of a dicarboxylic acid as a friction modifier, typically in a limited slip differential. | 08-16-2012 |
20120220505 | Farm Tractor Lubricating Composition with Good Water Tolerance - A lubricant of (a) an oil of lubricating viscosity; (b) a block copolymer of (i) a hydrophobic first block of C | 08-30-2012 |
20140018267 | Lubricant Composition Comprising Anti-Foam Agents - The disclosed invention relates to a multigrade lubricant composition which can be used for numerous lubricant applications, but is particularly useful for lubricating a diesel engine. The lubricant composition comprises an oil of lubricating viscosity, a detergent, a dispersant, a viscosity index improver, and a combination of anti-foam agents. The lubricant composition may be used for providing enhanced fuel economy and avoiding air entrainment problems when used in lubricating diesel engines. | 01-16-2014 |
20140031268 | Continuously Variable Transmission Fluid with Extended Anti-Shudder Durability - A lubricant composition comprising (a) an oil of lubricating viscosity; (b) at least two nitrogen-containing materials, comprising (i) at least one amide of the formula R | 01-30-2014 |