Lubricating oil composition

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and...

Reexamination Certificate

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Details

C508S591000, C508S291000

Reexamination Certificate

active

07838470

ABSTRACT:
A multigrade crankcase lubricating oil composition comprising a mineral oil-based basestock of lubricating viscosity in a major amount and a non-hydrogenated olefin polymer in a minor amount. The lubricating oil composition also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.

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