PATENTS

      118.     ------.  [BÄHR, H., AND BRAUS, K.]  (I. G. Farbenindustire A. G.).  [Recovering Hydrogen Sulfide From Gases.]  German Patent 654,373, Dec. 22, 1937 (Cl.12 I-18).  Chem. Abs., vol. 32, 1938, p. 2718.

See United States Patent 2,083,213 (abs. 117).