| 发明名称 |
Hydrocarbon compositions containing polyolefin graft polymers. |
| 摘要 |
<p>Lubricating oil compositions of improved dispersancy contain an ethylene-propylene copolymer grafted onto which is acrylic acid dimer, the free carboxyl group of which has thereafter been amidized with diethylene tetramine.</p> |
| 申请公布号 |
EP0321619(A1) |
申请公布日期 |
1989.06.28 |
| 申请号 |
EP19870311339 |
申请日期 |
1987.12.23 |
| 申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
LIU, CHRISTOPHER SOUNDANG;KAUFMAN, BENJAMIN JOSEPH;KAPUSCINSKI, MARIA MAGDALENA |
| 分类号 |
C10M145/10;C08F8/32;C08F255/00;C08F255/02;C10M145/14 |
主分类号 |
C10M145/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
