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AssigneeExxonMobil Research and Engineering Company
InventorsAbhimanyu O. Patil, Satish Bodige
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A composition that includes one or more compounds represented by the formula A(B)x wherein A is the residue of an aromatic compound, B is the residue of an unsaturated hydrocarbon ester, and x is a value of 1 or greater. The composition has a viscosity (Kv100) from 2 to 40 at 100° C., and a viscosity index (VI) from 100 to 200. The disclosure also relates to a process for producing the composition, a lubricating oil base stock and lubricating oil containing the composition, and a method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil containing the composition. The lubricating oils containing the composition are advantageous as engine oils that can improve engine fuel efficiency.
A lubricating engine oil comprising a base stock selected from the group consisting of a Group I, a Group II, Group III, Group IV and combinations thereof and one or more Group V base oil stock compounds represented by the formula
A method for improving one or more of solubility and dispersancy of polar additives in a lubricating oil by using as the lubricating oil a formulated oil;
Dependencies are inferred from the claim text.