abstract |
A low phosphorous lubricating oil composition for internal combustion engines comprising an alkylthiocarbamate compound of the formula: <CHEM> wherein each of R<1>, R<2>, R<3>, and R<4> independently represents an alkyl group of 1-18 carbon atoms, and (X) represents S, S-S, S-CH2-S, S-CH2CH2-S, S-CH2CH2CH2-S, or S-CH2CH (CH3)-S, and additive compositions and additive packages utilizing the above compound. |