The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2008
Filed:
Jun. 14, 2007
Applicants:
Keita Nagano, Ikoma-gun, JP;
Takao Mizoshita, Yao, JP;
Inventors:
Keita Nagano, Ikoma-gun, JP;
Takao Mizoshita, Yao, JP;
Assignee:
Toyo Aluminium Kabushiki Kaisha, Osaka-shi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/64 (2006.01); C09C 3/04 (2006.01); C09C 3/08 (2006.01);
U.S. Cl.
CPC ...
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.