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      1328.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Lubricants.]  German Patent Appl. I 70,108, no date (Cl. IV d-12 6).  Auszüge deut. Patent-Anmeldungen. Vol. 6, p. 156.

            Lubricants are obtained by treating olefinic hydrocarbon mixtures with selective solvents through polymerization of the H2-rich fractions obtained thereby using catalysts from the Frieded-Crafts reaction such as AlCl3 or BE3.  The conversion products of CO and H2 b. 250º-450º are passed over H2O-splitting catalysts, treated with solvents, and polymerized.