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Patent Abstracts

      750.  ------.  [FRIEDMAN, A. H.]  (Phillips Petroleum Co.).  Preparation of Solid Hydrocarbons.  United States Patent 2,500,533.  Mar. 14, 1950: appl. filed Sept. 6, 1946, Serial No. 695,305: 3 claims (Cl. 260-449.6).  Chem. Abs., vol. 44, 1950. p. 4656.

            Feed gas 50 vol. % N2:16CO:34H2 is passed to a reactor or series of reactors containing a catalyst such as metallic Co:ThO2:kieselguhr=100:18:100 parts by weight.  Pressure is 100 p. s. i., temperature 200º C., and space velocity 100-200 vol. per vol. catalyst per hr.  Wax is produced in high yield.  2 foreign and 2 United States patents cited.