发明名称 |
Lubricating Oil Compositions |
摘要 |
A lubricating oil composition formulated with a viscosity index (VI) improver composition including a combination of an ethylene alpha-olefin copolymer having no greater than 66 mass % of units derived from ethylene, and a linear diblock copolymer including at least one block derived primarily from a vinyl aromatic hydrocarbon monomer, and at least one block derived primarily from diene monomer.
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申请公布号 |
US2009291871(A1) |
申请公布日期 |
2009.11.26 |
申请号 |
US20090366007 |
申请日期 |
2009.02.05 |
申请人 |
CHU CHIN;HARTLEY ROLFE J;BRIGGS STUART;EMERT JACOB;BANSAL JAI G |
发明人 |
CHU CHIN;HARTLEY ROLFE J.;BRIGGS STUART;EMERT JACOB;BANSAL JAI G. |
分类号 |
C10M129/26;C10M133/00;C10M143/02 |
主分类号 |
C10M129/26 |
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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