| 发明名称 |
Modified succinimide or succinamide dispersants and their production |
| 摘要 |
Preconditioned automatic transmission fluids are made by using a preblend formed by heating an alkenyl succinimide or succinamide dispersant with a phosphorus ester and water to partially hydrolyze the ester and then mixing the preblend and other additives with a base oil.
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| 申请公布号 |
US5389273(A) |
申请公布日期 |
1995.02.14 |
| 申请号 |
US19930117408 |
申请日期 |
1993.09.03 |
| 申请人 |
ETHYL PETROLEUM ADDITIVES, INC. |
发明人 |
PAPAY, ANDREW G. |
| 分类号 |
C08F8/00;C10L1/22;C10M133/56;C10M141/10;C10M159/12;C10M169/04;(IPC1-7):C10M137/00 |
主分类号 |
C08F8/00 |
| 代理机构 |
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代理人 |
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