128. ------. [BARKER, M. E.] Catalysts Suitable for Various Purposes. United States Patent 1,936,564. Nov. 21, 1933. Chem. Abs., vol. 28, 1934. p. 867.

This relates to catalysts in which the oxides are reduced to spongy metal; similar to United States Patent 1,936,563 (abs. 127).