PATENTS 1642. ------. [INTERNATIONAL HYDROCARBON SYNTHESIS CO.] [Catalyst Chamber.] Italian Patent 391,251, no date. Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950. p. 163. Catalyst chamber with catalyst tubes longer than 5 m. See British Patent 567,609 (abs. 2712) and French Patent 870,213 (abs. 1664). |