C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 161/00 (2006.01) C10M 129/40 (2006.01) C10M 129/68 (2006.01) C10M 133/06 (2006.01) C10M 137/04 (2006.01) C10M 149/00 (2006.01)
Patent
CA 2636301
A lubricating oil composition for internal combus-tion engines comprising a base oil having and lubricating viscosity and additives composed of a) a salt of an alka-li metal or alkaline earth metal and an alkylsalicylate and/or an alkylcarboxylate, b) a nitrogen atom-containing ashless dispersant and/or a nitrogen atom-containing dispersive viscosity index improver, c) a neutral salt of a fatty acid and a fatty amine, and d) oxidation inhibi-tor, is effective for lubricating diesel engines using a low sulfur-content fuel, even though it has a low sul-fated ash content, a low sulfur content and a low phosphorus content.
Muramatsu Takahiro
Nakazato Morikuni
Takeuchi Yoshitake
Yamashita Yoshito
Chevron Japan Ltd.
Sim & Mcburney
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