发明名称 |
Lubricating oil composition |
摘要 |
A method of reducing the occurrence of ring-sticking in an internal combustion engine in which the crankcase of such an engine is lubricated with a multigrade crankcase lubricating oil composition containing 1 to 15 mass %, based on the mass of the oil composition, of a non-hydrogenated olefin polymer having a number average molecular weight in the range of 100 to 5,000.
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申请公布号 |
US7867955(B2) |
申请公布日期 |
2011.01.11 |
申请号 |
US20060349686 |
申请日期 |
2006.02.08 |
申请人 |
INFINEUM INTERNATIONAL LIMITED |
发明人 |
CONROY MICHAEL J.;THORNHILL MICHELE A. |
分类号 |
C10M143/06;C10M133/16;C10M169/04 |
主分类号 |
C10M143/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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