Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei Li0
Jin D. Kim0
Se H. Oh0
Date of Patent
August 25, 2009
0Patent Application Number
109144180
Date Filed
August 9, 2004
0Patent Primary Examiner
Patent abstract
A particulate material is ground more efficiently using a mixture of at least two different sizes of yttrium-stabilized zirconia balls. The method facilitates preparation of photocatalysts with high activity.
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