Return to Abstracts of Patents Return to Abstracts of Patents 1-249 Patent Abstracts230. ------. [BRAUNKOHLE-BENZIN, A. G.] [Synthesis-Gas Purification.] German Patent Appl. B 175,954, filed Oct. 23, 1936 (Cl. IV b-12 e). PB Rept. 412, May 15, 1945. Desulferizing synthesis gas by contact with an oxidizing agent, such as a nitrate, chlorate, or permanganate, on a support such as active C or silica gel at a temperature of about 80ยบ C. |