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U.S. Department of Energy
Office of Scientific and Technical Information

Manufacture of lubricating oils from shale oil

Patent ·
OSTI ID:5032072
A process of treating crude shale oil to produce a high grade lubricant is described. The crude shale oil is fractionated to remove paraffin fractions and aromatic hydrocarbons are added to the residual portion of the oil, and heated in the presence of a Friedel and Crafts catalyst to simultaneously polymerize and arylate unsaturated constituents of the oil to convert them into compounds having improved lubricating properties.
Assignee:
Compagnie Francaise de Raffinage (Societe Anonyme)
Patent Number(s):
US 2586590
OSTI ID:
5032072
Country of Publication:
United States
Language:
English