| http://www.w3.org/ns/prov#value | - Examples of suitable inorganic pigments include, without limitation, metal oxide pigments such as titanium dioxide, iron oxides including red iron oxide, black iron oxide, and brown iron oxide; carbon black; ferric ferrocyanide (Prussian blue); ultramarine; and so on. [0035] The ink compositions of the invention may also include other components, including fillers such as clay, defoamers, biocides
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