| 发明名称 |
composição lubrificante contendo um melhorador do índice de viscosidade |
| 摘要 |
The disclosed invention relates to lubricant compositions containing viscosity index improvers in the form of polymers comprising structural units derived from ethylene, propylene and butylenes. |
| 申请公布号 |
BR112013014297(A2) |
申请公布日期 |
2016.09.20 |
| 申请号 |
BR20131114297 |
申请日期 |
2011.12.06 |
| 申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
CHOR HUANG;DAVID PRICE;JACK KELLEY |
| 分类号 |
C10M161/00;C10N10/02;C10N10/04;C10N30/04;C10N40/25;C10N40/26 |
主分类号 |
C10M161/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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