PATENTS

       69.              BADER, W., AND THOMAS, E. B.  (Celanese Corp. of America).  Catalysts Such as Those Used for Synthesis of Methanol.  United States Patent 1,999,388, Apr. 30, 1935: appl. filed Mar. 13, 1930.  Serial No. 435,631 (Cl. 260-166).  Chem. Abs., vol. 29, 1935. p. 4029.

Catalyst such as those comprising Cr and Zn oxides and which have been used for MeOH synthesis from gases containing traces of S are reactivated by the action of a gas rich in H2 at temperatures not substantially exceeding those employed in the catalytic reaction.