E

Nanopowders for industrial purposes; Oil dispersants; Photographic developers for semiconductors; Etchants for use in the manufacture of semiconductors; Etching mordants being acids, namely, etch resist; Antioxidants for use in manufacture; Water treatment chemicals, namely, sizing agent; Surfactant for use in the manufacture of synthetic detergents; Aromatic solvents for industrial and commercial use, in the nature of chemical solvents for removing photoresist from circuit boards; Aromatic solvents for industrial and commercial use in the nature of chemical solvents for removing photoresist from electronic parts; Aromatic solvents for industrial and commercial use in the nature of chemical solvents for removing circuit board solder; Aromatic solvents for industrial and commercial use in the nature of chemical solvents for removing solder from electronic parts; Hydrofluoric acid; Glass-frosting chemicals