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US 6,027,775 AGranted
Crystalline titania and process for producing the same
AssigneeChubu Electric Power Co., Inc.
InventorsTomoko Kasuga, Masayoshi Hiramatsu
Life of this patent
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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.
Claims5
A crystalline titania having a nanotube crystal shape with a diameter of between 5 and 80 nm.
A crystalline titania having a nanotube crystal shape and a wall thickness of 2 to 10 nm.
A crystalline titania having a nanotube crystal shape with a diameter of between 5 and 80 nm and a wall thickness of 2 to 10 nm.
Dependencies are inferred from the claim text.