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:
Dec. 02, 2025
Filed:
Oct. 09, 2019
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Meng Li, Qingdao, CN;
Shingo Takada, Sakura, JP;
Tomoki Dohi, Sakura, JP;
Jianjun Yuan, Sakura, JP;
Cheng Liu, Qingdao, CN;
Wei Zhao, Qingdao, CN;
Shaowei Yang, Qingdao, CN;
Assignee:
DIC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01F 7/30 (2022.01); B32B 5/16 (2006.01); C01F 7/442 (2022.01);
U.S. Cl.
CPC ...
C01F 7/442 (2013.01); B32B 5/16 (2013.01); C01F 7/30 (2013.01); C01P 2002/70 (2013.01); C01P 2004/03 (2013.01); C01P 2004/20 (2013.01); C01P 2004/45 (2013.01); C01P 2004/54 (2013.01); C01P 2004/61 (2013.01); C01P 2004/84 (2013.01); C01P 2006/21 (2013.01);
Abstract
The composite particle of the present invention includes an alumina particle having a card-house structure which is formed of three or more pieces of plate-like alumina and in which the pieces of plate-like alumina are fixed to each other; and an inorganic coating part provided on a surface of the plate-like alumina.