Pigments for coloring frits; cobalt oxide [colorant]; zinc oxide [pigment]; inorganic metal-oxide pigments; enamels for ceramics; colorants for ceramic paints; paints for ceramics; vitreous enamel; glazes [vitreous varnishes]; glass paints and lacquers; fixatives [varnishes]; fixatives for colorants; fixatives for dyes; thinners and thickeners for coatings, dyes and inks; pigments for use in the preparation of inks; dyes, colorants, pigments and printing inks; varnish; primers for preparing s...