PATENT

3683. ----- [STUDIEN-UND VERWERTUNGS-G. M. B. H.] [Paraffin.]  Italian Patent 352,611, July 9, 1937.  Chem. Zentralb., 1938, I, p. 4264.

CO and H₂, 30:60%, are passed over a Co-Th catalyst at 4 atm. and 190°.  The catalyst becomes coated with solid paraffin at the usual temperature in such a manner that the empty space does not become filled with it, and the catalysts are so arranged that the paraffin can continually drip from the bottom.