S-Oil Corporation Patent applications |
Patent application number | Title | Published |
20130165727 | METHOD FOR SELECTIVE DEALKYLATION OF ALKYL-SUBSTITUTED C9+ AROMATIC COMPOUNDS USING BIMODAL POROUS DEALKYLATION CATALYST AT LOW TEMPERATURE - Disclosed is a method for selective dealkylation of alkyl-substituted C | 06-27-2013 |
20120028862 | LOW VISCOSITY DIESEL ENGINE OIL COMPOSITION WITH IMPROVED FUEL EFFICIENCY - The present invention provides an engine oil composition containing polymethylacrylate, zinc alkyldithiophosphate, molybdenum dithiocarbamate, a hindered phenol antioxidant, and a fixed mineral oil. The engine oil composition of the present invention has a low-temperature viscosity The fuel efficiency of the engine oil is improved, when the engine oil composition with an improved low-temperature performance, a maintained high-temperature viscosity, an improved wear resistance, and an improved oxidation resistance is used. Further, the durability of the engine oil can also be ensured when the engine oil composition of the present invention is used. | 02-02-2012 |
20110071062 | LONG-LIFE GASOLINE ENGINE OIL COMPOSITION - The present invention provides a long-life gasoline engine oil composition, which contains a hydrogenated styrene-diene compound, zinc alkyldithiophosphate, monoalkyl molybdenum dithiocarbamate, polyol ester, a hindered phenol antioxidant, and a base oil. With this composition, vehicle fuel efficiency can be improved, oxidation stability can be increased, and the life span of engine oil can be extended. | 03-24-2011 |