| 发明名称 |
HYDROCARBON COMPOSITIONS CONTAINING POLYOLEFIN GRAFT POLYMERS |
| 摘要 |
D#78,501-F Dispersant viscosity index improvers for lubricating oils contain an EPR or EPT polymer onto which has been graft polymerized isocyanatcethyl methacrylate and thereafter reacted with N-methyl piperazine.
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| 申请公布号 |
CA1329660(C) |
申请公布日期 |
1994.05.17 |
| 申请号 |
CA19880567062 |
申请日期 |
1988.05.18 |
| 申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
KAPUSCINSKI, MARIA M.;LIU, CHRISTOPHER S.;HART, WILLIAM P. |
| 分类号 |
C08F8/30;C08F8/32;C08F255/00;C08F255/02;C08F257/00;C10M149/06;C10M149/10;(IPC1-7):C08F255/00;C10M149/02 |
主分类号 |
C08F8/30 |
| 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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