| 发明名称 |
Lubricating oil composition containing a dialkyl dithiocarbamate-modified EPDM viscosity index improver |
| 摘要 |
The viscosity index and wear inhibiting properties of lubricating oil are improved by adding an effective amount of a 20,000-300,000 molecular weight olefin copolymer to which are grafted di-C1-20 alkyl dithiocarbamate groups.
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| 申请公布号 |
US4502972(A) |
申请公布日期 |
1985.03.05 |
| 申请号 |
US19820392288 |
申请日期 |
1982.06.25 |
| 申请人 |
ETHYL CORPORATION |
发明人 |
DAVIS, BRYAN T.;CHEN, JACKSON C. |
| 分类号 |
C08F8/34;C10M143/00;(IPC1-7):C10M1/38 |
主分类号 |
C08F8/34 |
| 代理机构 |
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