| http://www.w3.org/ns/prov#value | - Suitable substantially inert, organic liquid solvents or diluents may be used in the reaction processes of the present invention and include such relatively low boiling liquids as hexane, heptane, benzene, toluene, xylene, etc., as well as high boiling materials such as solvent neutral oils, bright stocks, and various types of synthetic and natural lubricating oil base stocks.
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