Method for producing white powder comprising titanium oxide film and metallic silver film
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United States of America Patent
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Oct 11, 2011
Grant Date -
Aug 9, 2007
app pub date -
Jun 9, 2003
filing date -
May 26, 2003
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Abstract
A method for producing a white powder, which includes forming on a surface of a base particle a titanium oxide film and a metallic silver film contiguously one upon another in this order, wherein the base particle includes a magnetic material, and wherein said step of forming on the surface of the base particle the titanium oxide film includes dispersing the base particle in a buffer solution and adding a titanium salt aqueous solution while agitating the dispersion.
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