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 ±-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. |
申请公布号 |
EP1783197(A2) |
申请公布日期 |
2007.05.09 |
申请号 |
EP20060121850 |
申请日期 |
2006.10.05 |
申请人 |
INFINEUM INTERNATIONAL LIMITED |
发明人 |
CHU, CHIN;HARTLEY, ROLFE JOHN;BRIGGS, STUART;EMERT, JACOB;BANSAI, JAI G. |
分类号 |
C10M157/00;C10M143/00;C10N30/02;C10N40/25 |
主分类号 |
C10M157/00 |
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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