Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts736. FRANKENBURGER< W., ZIMMERMANN, W., AND MAYRHOFER, K. (I. G. Farbenindustrie A. G.). [Carrying Out Chemical Reactions in Gases and Vapors.] German Patent 528,740, Feb. 5, 1927; Chem. Abs., vol. 25, 1931, p. 5223. Gases or vapors are caused to react in a vessel by the aid of a glowing cathode. Examples describe H2CO and C2H4-H gas reactions. Describes apparatus. Addition to German Patent 458,756. |