| 发明名称 |
LUBRICANT BASE OIL, METHOD FOR PRODUCTION THEREOF, AND LUBRICANT OIL COMPOSITION |
| 摘要 |
<p>The lubricating base oil of the invention is characterized by having an urea adduct value of not greater than 4 % by mass and a viscosity index of 100 or greater. The process for production of a lubricating base oil according to the invention is characterized by comprising a step of hydrocracking/hydroisomerization of a stock oil containing normal paraffins, until the obtained treatment product has an urea adduct value of not greater than 4 % by mass and a viscosity index of 100 or greater. A lubricating oil composition according to the invention is characterized by comprising the lubricating base oil of the invention.</p> |
| 申请公布号 |
EP2135928(A1) |
申请公布日期 |
2009.12.23 |
| 申请号 |
EP20080722784 |
申请日期 |
2008.03.25 |
| 申请人 |
NIPPON OIL CORPORATION |
发明人 |
TAGAWA, KAZUO;SHIRAHAMA, SHINICHI;TAGUCHI, MASAHIRO |
| 分类号 |
C10M171/02;C10M101/02;C10N20/02;C10N30/02;C10N30/08;C10N70/00 |
主分类号 |
C10M171/02 |
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