Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts659. ------. [FIORELLI, F.] [Vertical Oven for Synthesizing Gas.] German Patent 719,874, Apr. 18, 1942; appl. F 84,479, filed February 1938 (Cl. 26 a-2). Chem. Abs., vol. 37, 1943, p. 2163. Construction and operation of an oven for the production of gas from lignite and desulfurizing of the gas. FIORELLI, F. See abs. 3801. |