| 发明名称 |
Lubricating oil compositions |
| 摘要 |
An internal combustion engine crankcase lubricating oil composition has a phosphorus content of not greater than 0.08 mass % and a metal detergent additive system comprising a calcium salicylate and a magnesium salicylate and having a mass ratio of magnesium atoms to calcium atoms of greater than one.
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| 申请公布号 |
US8470751(B2) |
申请公布日期 |
2013.06.25 |
| 申请号 |
US20060436778 |
申请日期 |
2006.05.18 |
| 申请人 |
BELL IAN A. W.;SHAW ROBERT W.;INFINEUM INTERNATIONAL LIMITED |
发明人 |
BELL IAN A. W.;SHAW ROBERT W. |
| 分类号 |
C10M159/20 |
主分类号 |
C10M159/20 |
| 代理机构 |
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代理人 |
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