| 发明名称 |
REDUCED ENGINE DEPOSITS FROM DISPERSANT TREATED WITH COBALT |
| 摘要 |
The invention provides a lubricating composition containing an oil of lubricating viscosity and a dispersant treated with cobalt reagent. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of a dispersant treated with cobalt to reduce deposits on the inner surfaces of engine components. |
| 申请公布号 |
US2016186087(A1) |
申请公布日期 |
2016.06.30 |
| 申请号 |
US201414910398 |
申请日期 |
2014.08.06 |
| 申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
Gieselman Matthew D.;Cox Adam;Proust Nicolas;Shah Mayur P.;Eveland Renee A. |
| 分类号 |
C10M133/44;C10M169/04;C10M133/04;C10M101/00;C10M129/10 |
主分类号 |
C10M133/44 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. An internal combustion engine lubricant composition comprising;
a) an oil of lubricating viscosity, b) about 0.5 to 10 wt. % of a metal substituted dispersant based on the weight of said engine oil lubricant composition, c) an antioxidant, d) an antiwear additive,wherein the metal of the metal dispersant comprises cobalt and the amount of metal substituted dispersant is such to provide about 40 to 500 ppm of cobalt to said engine lubricant composition and wherein the lubricant composition comprises sulfur in an amount of less than 1 wt. % and phosphorus in an amount of less than 0.2 wt. % based on the weight of said lubricant composition. |
| 地址 |
Wickliffe OH US |
