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: US11058636申请日: 2005-02-15
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公开(公告)号: US07696137B2公开(公告)日: 2010-04-13
- 发明人: Kazuhiro Yagishita
- 申请人: Kazuhiro Yagishita
- 申请人地址: JP Tokyo
- 专利权人: Nippon Oil Corporation
- 当前专利权人: Nippon Oil Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Panitch Schwarze Belisario & Nadel LLP
- 优先权: JP2002-246975 20020827; JP2003-167095 20030611
- 主分类号: C10M137/04
- IPC分类号: C10M137/04 ; C10M141/10
摘要:
A lubricating oil composition is disclosed which comprises a lubricating base oil, (A) at least one type of compound selected from specific phosphoric acid esters and salts thereof or in combination with (B) at least one type of compound selected from specific metal salts of specific phosphoric acid esters, with excellent oxidation stability, base number retention properties, anti-wear properties, extreme pressure properties and anti-corrosion properties and thus can be suitably used, in particular, as a lubricating oil for an internal combustion engine.
公开/授权文献
- US20050143266A1 Lubricating oil compositions 公开/授权日:2005-06-30
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