Return to Abstracts of Patents

Return to Abstracts of Patents 250-499

Patent Abstracts

      411.     ------.  [COMPAGNIE DE BÉTHUNE ]  [Methanol.]  French Patent 632,259, July 17, 1926.  Chem. Abs., vol. 22, 1928, p. 3418.

See British Patent 274,492 (abs. 414).