摘要 |
A marine lubricating oil has a major amount of oil of lubricating viscosity; and a minor amount of an overbased, alkyl oxy benzene sulfonate having a TBN of at least 200. Between 40 wt.% and 80 wt.% of the alkyl group is attached at the 4-position and higher positions of the alkyl group. The oxy group can be hydroxy, methoxy, ethoxy, propoxy, butoxy, pentoxy, or hexoxy.
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申请人 |
CHEVRON CHEMICAL COMPANY;KING, WILLIAM, F.;NELSON, RICHARD, J.;LOCKETT, STEVEN, G. |
发明人 |
KING, WILLIAM, F.;NELSON, RICHARD, J.;LOCKETT, STEVEN, G. |