Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts604. EGUCHI, T., AND KANEDA, S. (Nippon Synthetic Petroleum Co.). [Lubricating Oil From Polymerization and condensation of Olefin Hydrocarbons.] Japanese Patent 175,929, Mar. 29, 1948. Chem. Abs., vol. 44, 1950. p. 8634. Synthetic petroleum from CO and H2 or cracked kerosene containing less olefins is used as a raw material for preliminary polymerization with catalyst. Low-boiling fractions are removed, and the residue is used for regular polymerization. EICKMEYER, A. G. See abs. 3860. EILBRACHT, H. See abs. 271, 3307. |