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Return to Abstracts of Patents Return to Abstracts of Patents 1000-1249 Patent Abstracts1038. ------ [HEROLD, P., AND LANGHEINRICH, H.] (I. G. Farbenindustrie A. G.). [Production of Oxygen-Containing Organic Compounds.] Russian Patent 10,025, June 29, 1929; appl. filed Nov. 1, 1927. Chem. Zentralb., 1931, I, p. 2828. See British Patent 280,522 (abs. 1191). |