PATENTS 2874.----- [RUHRCHEMIE A. G.] [Catalysts for Benzine Synthesis.] German Patent 741,998, no date; appl. R 100,408 (Cl. 12 g-1.01). Auszüge deut. Patent-Anmeldungen, vol. 7, p. 220. Granular pieces from very wet material, especially for the production of catalysts for the benzine synthesis. are made by dividing the material into threads or strings and then drying for a short time by hot gases. |