Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1328. ------. [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. |