Return to Abstracts of Patents Return to Abstracts of Patents 750-999 Patent Abstracts795. ------. [GESSMANN, W., AND SHADLER, E. W.] [Volatile Hydrocarbons.] French Patent 636,568. June 25, 1927. Schmidt. J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig. 1950. p. 150: Chem. Abs., vol. 23, 1929, p. 604. See Canadian Patent 282,392 (abs. 793). |