ECH

Water purifying chemicals; industrial chemicals; gas purifying preparations, namely, detergents added to gasoline; scale removing preparations, other than for household purposes; dry powder flocculants for treating waste water; water-softening preparations; chemical preparations in the nature of anti-incrustants for use in industry; chemical preservatives for use in industry and science; chemicals for use in electro-brush plating industry; chemicals used in the manufacture of anti-microbial preparations