PATENT 4011. [Refining Synthetic Paraffin.] German Patent Appl. B 206,246, no date (Cl. 12 o-7.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 19. Cracked product of synthetic paraffin obtained by the hydrogenation of CO is improved in quality by compressing at temperatures below the melting point. |