Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takao Mizoshita0
Keita Nagano0
Date of Patent
November 4, 2008
0Patent Application Number
118200150
Date Filed
June 14, 2007
0Patent Primary Examiner
Patent abstract
An aluminum flake pigment suitable for use in metallic paints, metallic inks and the like is finely flaked in a grinder to include small aluminum flakes with a maximum dimension of not more than 10 μm, wherein these small aluminum flakes have a mean aspect ratio from 8 to 20. Overall, the aluminum flakes of the aluminum flake pigment preferably have a mean particle size from 3 to 20 μm. The grinder produces the aluminum flake pigment by flaking an aluminum powder in an organic solvent using steel ball grinding media having diameters of 0.3 to 1.0 mm.
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