1403. ------. [I. G. FARBENINDUSTRIE, A. G.] [Preparing Carboxylic Acids.] German Patent Appl. I 73,147. OZ 13,660. filed Sept. 11. 1942 (Cl IV d-12 o). FIAT Reel 168. frames 7,352-7,359; PB 25,612: Meyer Transl. PC-S-II, Fischer-Tropsch, vol. 7. chap

PATENTS

1403. ------. [I. G. FARBENINDUSTRIE, A. G.] [Preparing Carboxylic Acids.] German Patent Appl. I 73,147. OZ 13,660. filed Sept. 11. 1942 (Cl IV d-12 o). FIAT Reel 168. frames 7,352-7,359; PB 25,612: Meyer Transl. PC-S-II, Fischer-Tropsch, vol. 7. chap. 188. 1950. p. 14.

In preparing carboxylic acids from alcohols by oxidation or by addition of CO, alcohols that have been obtained at temperatures <250º by reduction of CO with H₂ under medium pressure and over catalysts of the Fe group are used as starting materials.