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:
Aug. 02, 2022
Filed:
Apr. 02, 2019
Dic Corporation, Tokyo, JP;
Shingo Takada, Chiba, JP;
Kazuo Itoya, Chiba, JP;
Jian-Jun Yuan, Chiba, JP;
Takayuki Kanematsu, Chiba, JP;
Masamichi Hayashi, Chiba, JP;
Fumihiko Maekawa, Chiba, JP;
Yoshiyuki Sano, Chiba, JP;
DIC Corporation, Tokyo, JP;
Abstract
The present invention provides alumina particles having a fixed card-house structure formed of three or more flat plate-like alumina particles and having an average particle diameter of 3 to 1000 μm. Also, there is provided alumina particles having an average particle diameter of 3 to 1000 μm and having a fixed card-house structure in which the three or more flat plate-like alumina are aggregated to be crossed each other at two or more plurality of positions, and the plane directions of the flat plates crossed each other are in a state of disordered arrangement.