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:
Apr. 07, 2015
Filed:
Sep. 05, 2002
Keita Nagano, Nara, JP;
Takao Mizoshita, Yao, JP;
Keita Nagano, Nara, JP;
Takao Mizoshita, Yao, JP;
Toyo Aluminium Kabushiki Kaisha, Osaka-shi, JP;
Abstract
In order to provide a method of manufacturing an aluminum flake pigment having a small mean particle size as well as high brightness, a method of manufacturing an aluminum flake pigment including a step of flaking aluminum powder in an organic solvent with a grinder having grinding media, which grinding media contain steel ball grinding media formed by spherical media consisting of a material including steel and having diameters in the range of 0.3 mm to 1.0 mm, is provided. The mean particle size (D50) of this aluminum powder is preferably in the range of 1.0 to 10.0 μm. Further, this grinder is preferably a ball mill.