| 发明名称 |
Dispersant-viscosity improvers for lubricating oil compositions |
| 摘要 |
A process for preparing nitrogen-containing copolymers useful as dispersant-viscosity improvers for lubricating oil compositions, additive concentrates and lubricating oil compositions are described.
|
| 申请公布号 |
US6639034(B2) |
申请公布日期 |
2003.10.28 |
| 申请号 |
US20010000515 |
申请日期 |
2001.10.23 |
| 申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
SIVIK MATTHEW R.;BRYANT CHARLES P. |
| 分类号 |
C08F220/12;C10M149/04;C10M149/06;C10M149/08;C10M149/10;(IPC1-7):C08F120/54;C08F120/68 |
主分类号 |
C08F220/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
