发明授权
US4600519A Process for improving friction modification properties of a power transmission fluid with an alkylthio succinic acid or anhydride 失效
用烷基硫代琥珀酸或酸酐改善动力传递液的摩擦改性的方法

Process for improving friction modification properties of a power
transmission fluid with an alkylthio succinic acid or anhydride
摘要:
There are disclosed power shift transmission fluids such as automatic transmission fluids containing a friction modifier additive being an oil soluble alkylthio succinic anhydride or acid, such as octadecyl thiosuccinic acid or anhydride.
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