| 发明名称 |
Lubricating oil compositions containing ashless dispersant, zinc dihydrocarbyldithiophosphate, metal detergent and a copper compound |
| 摘要 |
A lubricating oil composition having improved properties comprises a major proportion by weight of a lubricating oil, a dispersant compound, from 0.01 to 0.5 wt % phosphorus and zinc and 5 to 500 parts per million of copper, and additive concentrates for blending with oil to produce such lubricating oil compositions.
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| 申请公布号 |
US4867890(A) |
申请公布日期 |
1989.09.19 |
| 申请号 |
US19870049712 |
申请日期 |
1987.05.12 |
| 申请人 |
COLCLOUGH, TERENCE;GIBSON, FREDERICK A.;MARSH, JOHN F. |
发明人 |
COLCLOUGH, TERENCE;GIBSON, FREDERICK A.;MARSH, JOHN F. |
| 分类号 |
C10M165/00;C10M129/40;C10M129/56;C10M129/68;C10M133/16;C10M135/10;C10M135/18;C10M135/28;C10M137/10;C10M141/10;C10M149/10;C10M159/16;C10M167/00;C10M169/06;C10N10/02;C10N10/04;C10N30/02;C10N30/04;C10N30/06;C10N30/10;C10N40/04;C10N40/25;C10N60/14 |
主分类号 |
C10M165/00 |
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