| 发明名称 |
An oil composition for improving fuel economy in internal combustion engines |
| 摘要 |
<p>An engine lubricating oil composition, free of organic ammonium thiophosphate, comprises an oil of lubricating viscosity and a fuel improving amount of:(A) a compound of formula where R1-R4 each = hydrocarbyl; X1 and X2 each = oxygen or sulphur; n = 0-3 and (B) an acylated nitrogen-containing compound containing 10+C aliphatic substituent. Also claimed is a method for improving fuel efficiency in an internal combustion engine involves operating the engine on the above composition.</p> |
| 申请公布号 |
EP0864634(A1) |
申请公布日期 |
1998.09.16 |
| 申请号 |
EP19980301381 |
申请日期 |
1998.02.25 |
| 申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
ROBY, STEPHEN H.;SUPP, JAMES A.;MANKA, JOHN S.;ABRAHAM, WILLIAM D. |
| 分类号 |
C10M125/24;C10M133/16;C10M133/56;C10M133/58;C10M135/12;C10M135/18;C10M137/10;C10M137/16;C10M141/10;C10M163/00;C10M167/00;C10N10/02;C10N10/04;C10N10/08;C10N10/12;C10N10/16;C10N30/06;C10N40/04;C10N40/08;C10N40/25;(IPC1-7):C10M141/10 |
主分类号 |
C10M125/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
