Aliphatic hydrocarbon substituted aromatic hydrocarbons to...

Details Aliphatic hydrocarbon substituted aromatic hydrocarbons to... Aliphatic hydrocarbon substituted aromatic hydrocarbons to...

C - Chemistry, Metallurgy

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C10M 127/04 (2006.01) C10M 127/06 (2006.01) C10M 141/06 (2006.01) C10M 161/00 (2006.01) F02F 7/00 (2006.01)

Patent

CA 1296318

ABSTRACT OF THE DISCLOSURE A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a minor amount, effective to inhibit the accumulation of black sludge in a gasoline fueled internal combustion engine, of an aliphatic hydrocarbon substituted aromatic hydrocarbon. The aliphatic hydrocarbon substituted aromatic hydrocarbon comprises a compound of the formula Ar-R-(Ar)n wherein each Ar is independently an aromatic nucleus having from O to 3 substituents, R is a hydrocarbyl group, and n is an integer ranging from 1 to about 6. In a further embodiment, the aliphatic hydrocarbon substituted aromatic hydrocarbon further comprises from about 1 to about 50 percent by weight of tetrahydronaphthalene or hydrocarbyl substituted tetrahydronaphthalenes.

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