1482. ------. [I. G. FARBENINDUSTRIE, A. G.] [Production of Antiknock Gasoline.] German Patent Appl. I 75,051, OZ 14,190. filed May 20, 1943 (Cl. 12 o). FIAT Reel 172, frame 387: PB 25,616.

PATENTS

1482. ------. [I. G. FARBENINDUSTRIE, A. G.] [Production of Antiknock Gasoline.] German Patent Appl. I 75,051, OZ 14,190. filed May 20, 1943 (Cl. 12 o). FIAT Reel 172, frame 387: PB 25,616.

Aldehydes, other than those produced by the reaction of olefins with CO and H₂, and ketones, which in neighboring position to the carbonyl group contain a methyl or a methylene group, are used as raw materials for the conversion with formaldehyde into unsaturated aldehydes or ketones, which are easily reduced to hydrocarbons. Addition to German Patent Appl. I 67,516 (abs. 1484).