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Eiji Nagatomi, Tokyo JP

Eiji Nagatomi, Tokyo JP

Patent application numberDescriptionPublished
20100087348LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition comprising a mixture of both a poly-alpha-olefin and an ester compound, the lubricating oil composition having an SAE viscosity grade of 75 W-85, satisfying GL-5 in terms of API gear oil designation and having a viscosity index of 160 or more. The above mixture of the poly-alpha-olefin and ester compound is preferably contained in an amount of from 75 to 90 wt % with reference to the total amount of the lubricating oil composition. The poly-alpha-olefin is preferably a mixture of a poly-alpha-olefin having low viscosity of from about 3 to 6 mm04-08-2010
20100093576LUBRICATING OIL COMPOSITION - The present invention provides a lubricating oil composition comprising a metal dithiophosphate and a poly(meth)acrylate containing a polar hydroxyl group in a base oil.04-15-2010
20100144568ORGANIC MOLYBDENUM COMPOUNDS AND OIL COMPOSITIONS CONTAINING THE SAME - The present invention provides novel organic molybdenum compounds, the use thereof as friction-modifiers and lubricating compositions which contain said compounds.06-10-2010
20100144570MOLYBDENUM ALKYLXANTHATES AND LUBRICATING COMPOSITIONS - The present invention provides a molybdenum pentakis-alkylxanthate having general formula (1) which is indicated below.06-10-2010
20100173815ORGANIC MOLYBDENUM COMPOUNDS AND LUBRICATING COMPOSITIONS WHICH CONTAIN SAID COMPOUNDS - The present invention provides cyclopentadienyl molybdenum hexa-carbonyl complexes which can be represented by general formula (1) which is indicated below.07-08-2010
20100269774LUBRICATING COMPOSITION FOR USE IN DIESEL ENGINES COMPATIBLE WITH BIOFUEL - The present invention provides a lubricating composition for use in diesel engines compatible with biofuel, the lubricating composition comprising a base oil belonging to Group III and/or Group II of the API base oil categories, from 0.5 to 5% by mass of a phenolic anti-oxidant and from 0.5 to 5% by mass of an amine-based anti-oxidant, the total content of the anti-oxidants being at least 2% by mass.10-28-2010
20110294709ANTI-WEAR AGENT AND LUBRICATING COMPOSITION WITH SUPERIOR ANTI-WEAR PROPERTIES CONTAINING SAME - The present invention provides an anti-wear compound selected from phosphorus compounds as represented by the following General Formula (2) or metal salts thereof as represented by the following General Formula (3).12-01-2011
20110312863ORGANIC MOLYBDENUM COMPOUNDS AND LUBRICATING COMPOSITIONS WHICH CONTAIN SAID COMPOUNDS - The present invention provides dicyclopentadienyl molybdenum crosslinked complexes which can be represented by general formula (1) below, the use thereof as friction-modifiers and lubricating compositions which contain these compounds.12-22-2011