Return to Abstracts of Patents

Return to Abstracts of Patents 1000-1249

Patent Abstracts

      1234.  ------.  [I. G. FARBENINDUSTRIE A. G.]  Ethylene.  British Patent 506,832, June 6, 1939.  Chem. Abs., vol. 34, 1940, p. 452. 

            See United States Patent 2,154,676 (abs. 944).