PATENT

3679. ----- [STUDIEN-UND VERWERTUNGS-G. M. B. H.]  [Multistage hydrogenation of Carbon Monoxide.]  Austrian Patent 160,916, Oct. 21, 1943; appl. filed Mar. 30, 1935.  TOM Reel 36, bag 3451, item 8.

In the catalytic hydrogenation of CO, an increased arranged that the conversion of CO takes place incompletely in the separate steps with the exception of the last.