Patent application number | Description | Published |
20080234153 | LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition, which is capable to maintain sufficient low-friction (i.e. fuel saving performance) even when the lubricating oil is contaminated with soot and metal abrasion powder, which is excellent in durability with regard to anti-wear property and detergency, as well as oxidation stability, and which is capable to lower the ash content and to sufficiently maintain the performance of exhaust-gas after-treatment device for a long term. The lubricating oil composition comprises a lubricant base oil containing a base oil (X) of which % C | 09-25-2008 |
20090275491 | LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition with excellent torque capacity and shifting characteristics suitable for use as automatic or continuously variable transmission fluids, which composition comprises a base oil and, on the basis of the total mass of the composition, (A) a sulfonate detergent in an amount of 0.01 to 0.3 percent by mass in terms of metal (MeA); (B) a salicylate detergent in an amount of 0 or more than 0 and 0.1 percent by mass or less, in terms of metal (MeB); and (C) a boron-containing succinimide type ashless dispersant in an amount of 0.001 to 0.1 percent by mass in terms of boron (BoC); (MeB)/(MeA) being 0, or greater than 0 and 1.5 or less, and (MeA)/(BoC) being from 0.001 to 20. | 11-05-2009 |
20100016195 | Lube Base Oil, Lubricating Oil Composition For Internal Combustion Engine, And Lubricating Oil Composition For Drive Transmissoin Device - The lubricating base oil of the invention satisfies at least one of conditions (a) or (b) below. The lubricating oil composition for an internal combustion engine according to the invention comprises the lubricating base oil of the invention, an ashless antioxidant containing essentially no sulfur as a constituent element, and at least one compound selected from among ashless antioxidants containing sulfur as a constituent element and organic molybdenum compounds. Also, a lubricating oil composition for a power train device according to the invention comprises the lubricating base oil of the invention, a poly(meth)acrylate-based viscosity index improver and a phosphorus-containing compound. | 01-21-2010 |
20100035777 | Lubricant base oil, lubricant composition for internal combustion engine and lubricant composition for driving force transmitting device - The lubricating base oil of the invention is characterized by satisfying at least one of the following conditions (a) or (b).
| 02-11-2010 |
20100041572 | Lube Base Oil, Process for Production Thereof, and Lubricating Oil Composition - The present invention provides a lubricating base oil comprising saturated components of 90% by mass or greater, wherein the proportion of cyclic saturated components among the saturated components is not greater than 40% by mass, and by having a viscosity index of 110 or higher and an iodine value of not greater than 2.5. The lubricating base oil of the invention exhibits excellent viscosity-temperature characteristics and heat and oxidation stability while also allowing additives to exhibit a higher level of function when additives are included. The lubricating base oil of the invention is suitable for use in various lubricating oil fields, and is especially useful for reducing energy loss and achieving energy savings in devices in which the lubricating base oil is applied. | 02-18-2010 |
20110003725 | LUBRICANT OIL COMPOSITION - The present invention provides a lubricating oil composition comprising:
| 01-06-2011 |
20110053815 | LUBRICANT COMPOSITION - The invention provides a lubricating oil composition comprising:
| 03-03-2011 |
20110237477 | LUBRICANT BASE OIL AND A PROCESS FOR PRODUCING THE SAME, AND LUBRICATING OIL COMPOSITION - A hydrocarbon-based lubricating base oil wherein a urea adduct value is not greater than 4% by mass, a viscosity index is 100 or higher, an average of carbon atoms number is 23-31 as determined by gas chromatography distillation, a value obtained by dividing an integral value of a peak in 30 ppm by an integral value of total peaks in the range of from 0 ppm to 50 ppm for the | 09-29-2011 |