PATENT 3194. ----- [RUHRCHEMIE, A.G.] [Sulfonation Products of Unsaturated Hydrocarbons.] German Patent Appl. --, R 519, filed July 12, 1940. FIAT Reel K-20, frames 258-263; PB 70,211. Oxo compounds obtained from unsaturated hydrocarbons with 4 or more C atoms by catalytic reaction with CO and H2 are hydrogenated to alcohols and then sulfonated. |