| http://www.w3.org/ns/prov#value | - A toner for developing an electrostatic image, which comprises a colorant-containing particulate resin and a treated fine powdery material prepared by treating fine powdery titanium oxide with a silane-type organic compound, where the fine powdery titanium oxide is mainly composed of a TiO2 component and a Ti(OR)m (OH)n component wherein R is a hydrocarbon group, m and n are respectively an intege
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