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Patent Abstracts

      528.   ------.  [DREYFUS, H.]  Formaldehyde: Methanol.  British Patent 157,047, Feb. 10, 1921: appl. filed Aug. 25, 1917.  Chem. Zentralb., 1921, II, p. 1061: Chem. Abs., vol. 15,1921, p. 1725

            Pt black or Ni is used as catalyst, and it can be deposited on pumice.  Hydrogenation takes place in Fe cylinders filled with the catalyst.