Patents

2819.   Roelen, Ol, Heckel, H., and Hanisch, F. [Catalytic Conversion of Carbon Oxides to Hydrocarbons of Higher Molecular Weight by Hydrogenation.]  German Patent 748,374, Nov. 1, 1944; appl. filed Nov. 8, 1938 (Cl. 12 o-1.03).  FIAT Reel J-5, frames 545-546;  PB 70,145; FIAT Reel AA-90, frames 1,573-1,574; 70,275; Meyer transl. PC-S-II, Fischer-Tropsch, vol. 6, 1949, ch. 168, p. 13.

Process of German Patent 701,846 (abs. 2810) for the regeneration of synthesis catalysts is improved by carrying out the treatment with H2 by gradually raising the temperature about the synthesis temperature or up to about 450º.