PATENTS

      76.              ------.  [BADISCHE ANILIN- UND SODA-FABRIK]  [Aldehydes Direct From the Corresponding Carboxylic Acids.]  German Patent 185,935, Dec. 14, 1905.  Chem. Abs., vol. 1, 1907, p. 3074.

Formaldehyde and acetaldehyde can be obtained from formic acid and acetic acid, respectively, by passing the acid vapors in admixture with H₂ at high temperatures over metals such as Fe, Zn, Sn, Pb, and S.