发明名称 |
Composition of ash-less lubricating oil for engines utilising earth gas as a fuel |
摘要 |
The present invention provides an ashless lubricating oil composition that improves the corrosion properties in natural gas engines. The ashless lubricating oil composition comprises: a) a major amount of base oil of lubricating viscosity; b) from about 1 to 6 wt % of an untreated polyalkylene or polyalkenyl succinimide dispersant; and c) from about 1 to 6 wt % of a borated polyalkylene or polyalkenyl succinimide dispersant. |
申请公布号 |
PL192562(B1) |
申请公布日期 |
2006.11.30 |
申请号 |
PL19990338331 |
申请日期 |
1999.03.22 |
申请人 |
CHEVRON CHEMICAL COMPANY LLC |
发明人 |
HO ANDREW W.;LOGAN MARK R.;WHALEY LAURA J. |
分类号 |
C10M141/12;C10M133/56 |
主分类号 |
C10M141/12 |
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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