Crystalline titania having nanotube crystal shape and process for producing the same
AssigneeChuba Electric Power Co., Ltd.
InventorsTomoko Kasuga, Masayoshi Hiramatsu
Life of this patent
Estimating the term…
Abstract
Crystalline titania of which the crystal shape is a novel nanotube. This crystalline titania is produced by treating crystalline titania with an alkali. This crystalline titania is used as an ultraviolet absorber, a masking agent, an adsorbent and an optically active catalyst.
Claims4
A process for producing crystalline titania having a nanotube crystal shape which comprises treating a crystalline titania starting material with an alkali to form a crystalline titania having a nanotube crystal shape, wherein the alkali treatment is conducted at a temperature of from 50 to 120° C. with from 30 to 50 percent by weight of sodium hydroxide in water.
Dependencies are inferred from the claim text.