199. BLOOMFIELD, G. Zinc Oxide Catalysts. United States Patent 1,668,838, May 8, 1928; appl. filed June 21, 1926. Chem. Abs., vol. 22, 1928, p. 2247.

In preparing a catalyst suitable for use in MeOH synthesis or other processes, ZnO is combined with a solution of NH₄NO₃, and the mass is ignited.

See abs. 3970, 3971, 3972, 3973, 3974, 3975, 3976, 3977, 3978, 3979, 3980, 3981, 3982, 3983, 3984.