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      1231.   ------.  [I. G. FARBENINDUSTRIE A. G.]  [Esters.]  German Patent Appl. I 72,970, no date (Cl. 12 o-19.03).  Ausüge deut. Patent-Anmeldungen, vol. 6, p. 188. 

            Esters are formed from the alcoholic constituents and the organic acids obtained by the conversion of CO with H2.