发明名称 |
Lubricant composition containing a viscosity index improver having dispersant properties. |
摘要 |
The present invention relates to a lubricant composition containing a minor amount of a thermally stable modified selectively hydrogenated alkenyl arene/conjugated diene copolymer wherein an amide or a primary or secondary amine functional group is grafted to the block copolymer primarily in the alkenyl arene blocks thereof.
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申请公布号 |
EP0329254(A1) |
申请公布日期 |
1989.08.23 |
申请号 |
EP19890200374 |
申请日期 |
1989.02.15 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
WILLIS, CARL LESLEY;MARTINEZ ARISMENDI, ANDRES, JR. |
分类号 |
C10M149/04;C08F8/32;C08F297/04;C10L1/234;C10M143/12;C10M149/00;C10M149/06;C10M149/22;C10M159/12;C10N30/02;C10N30/04;C10N60/02;C10N70/00 |
主分类号 |
C10M149/04 |
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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