Lubricating oil composition
OwnerMichio Shiga, Takahiro Muramatsu +1inventors
InventorsMICHIO SHIGA, TAKAHIRO MURAMATSU, HIROMICHI MATSUURA
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Abstract
A lubricating oil composition comprising a zinc dithiophosphate and a zinc saturated aliphatic monocarboxylate dissolved in a base oil, wherein the zinc dithiophosphate and zinc saturated aliphatic monocarboxylate are in the ratio of equivalents from 6:1 to 45:1.
Claims8
A lubricating oil composition comprising a zinc dithiophosphate and a zinc saturated aliphatic monocarboxylate dissolved in a base oil, wherein the ratio of equivalents of zinc dithiophosphate to zinc saturated aliphatic monocarboxylate is from 6:1 to 45:1.
A lubricating oil composition comprising a zinc dithiophosphate and a zinc saturated aliphatic monocarboxylate dissolved in a base oil, wherein the zinc dithiophosphate and zinc saturated aliphatic monocarboxylate are in the ratio of 1:0.001 to 1:0.08 by weight, and the total amount of both zinc salts is in the range of 50 to 10,000 ppm expressed in terms of their zinc content.
Dependencies are inferred from the claim text.