C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/18 (2006.01) C10M 105/08 (2006.01) C10M 133/00 (2006.01) C10M 133/08 (2006.01) C10M 133/16 (2006.01) C10M 141/10 (2006.01) C10M 145/36 (2006.01) C10M 145/38 (2006.01) C10M 161/00 (2006.01)
Patent
CA 2380025
The invention provides a lubricant oil composition useful for reduction in friction loss and improvement in fuel economy in internal combustion engines, particularly; a lubricant oil composition for internal combustion engines exhibiting an excellent friction reducing effect even in a diesel engine equipped with EGR accompanied with an increase in soot content in oil. The invention is a lubricant composition for internal combustion engines comprising a lubricant base oil consisting of a mineral oil and/or synthetic oil or the like incorporated with 1 wt% or more, based on the total weight of the lubricant oil composition, a nonionic surfactant with alkylene oxide added thereto consisting of at least one compound having an HLB value of 15 or more and a molecular weight of 900 or more, and a friction reducing method for internal combustion engines using this lubricant oil composition:
Nemoto Shuzo
Ogano Satoshi
Ryu Sonmin
Borden Ladner Gervais Llp
Tonengeneral Sekiyu K.k.
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