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Patent Abstracts

      1278.  ------.  [I. G. FARBENINDUSTRIE A. G.]  Hydrocarbons and Derivatives.  Australian Patent 105,577, no date.  Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgessell., Leipzig, 1950, p. 159; Chem Zentralb., 1939, I, p. 5116.

            See British Patent 503,248 (abs. 1289), French Patent 48,876 (abs. 1279), and United States Patent 2,207,581 (abs. 569).