发明授权
- 专利标题: Lubricating oil compositions
- 专利标题(中): 润滑油组成
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申请号: US11436778申请日: 2006-05-18
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公开(公告)号: US08470751B2公开(公告)日: 2013-06-25
- 发明人: Ian A. W. Bell , Robert W. Shaw
- 申请人: Ian A. W. Bell , Robert W. Shaw
- 申请人地址: GB
- 专利权人: Infineum International Limited
- 当前专利权人: Infineum International Limited
- 当前专利权人地址: GB
- 优先权: EP05253123 20050520
- 主分类号: C10M159/20
- IPC分类号: C10M159/20
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.
公开/授权文献
- US20060281645A1 Lubricating oil compositions 公开/授权日:2006-12-14
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