1157. ------.[I. G. Farbenindustrie, A. G. Alcohols] [Carboxylic Acids and Anhydrides.] German Patent Appl. I 74,733, no date (Cl. 12 o-11). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 217.

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Patent Abstracts

1157. ------.[I. G. Farbenindustrie, A. G. Alcohols] [Carboxylic Acids and Anhydrides.] German Patent Appl. I 74,733, no date (Cl. 12 o-11). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 217.

Carboxylic acids and anhydrides are obtained by heating olefins with H₂O and CO under pressure in the presence of carbonyl-forming metals as promoters.