Return to Abstracts of Patents Return to Abstracts of Patents 1000-1249 Patent Abstracts1040. HEROLD, P., SMEYKAL, K., AND GROGER, R. (I. G. Farbenindustrie A. G.). [Refining Alcohols.] German Patent 697,756, Sept. 26, 1940 (Cl. 12 o-5.02). Chem. Abs., vol. 35, 1941, p. 6597. See British Patent 494,985 (abs. 1518). |