Metal material having photocatalytic activity and method of manufacturing the same
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United States of America Patent
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Aug 22, 2000
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N/A
app pub date -
Jan 12, 1998
filing date -
Jan 14, 1997
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Expired
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Abstract
A metal material having a photocatalytic activity which comprises an anodized layer and a thin layer containing titanium oxide powder which are heat treated are sequentially laminated on the surface of a substrate comprising metal material including titanium. By anodically oxidizing the metal material including titanium, an anodized layer is formed on the surface thereof. A thin layer containing titanium oxide powder is further coated on this surface, and heat treatment is carried out before and/or after forming this thin layer containing titanium oxide powder.
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