PATENTS 2993. ----- [RUHRCHEMIE, A. G.] [Oxo Compounds.] German Patent Appl. R 111,868, no date (Cl. 12 o-7.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 309. Oxo compounds, especially aldehydes, are obtained from unsaturated hydrocarbons by reaction with metal carbonyls at increased temperature and pressure. The metal compounds formed in the process are converted into the carbonyls and returned to the process. |