Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts722. ------. [FOHLEN, J. L.] [Synthetic Organic Compounds.] French Patent 680,585. Dec. 27, 1928. Chem. Abs., vol. 24. 1930, p. 3799. Pure metals and synthetic organic compounds are prepared by the pyrogenic decomposition of metal carbonyls in the presence of gases such as H2, water gas, and gaseous hydrocarbons, or a mixture of these with or without free CO. FOOD MACHINERY & CHEMICAL CORP. See abs. 205, 3883. |