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:
Jan. 30, 2024
Filed:
Dec. 01, 2021
Applicant:
Ube Material Industries, Ltd., Ube, JP;
Inventors:
Isamu Fujikawa, Ube, JP;
Masamichi Nakagawa, Ube, JP;
Takashi Hamaoka, Ube, JP;
Takeshi Himoto, Ube, JP;
Seiji Yamaguchi, Ube, JP;
Kunio Watanabe, Ube, JP;
Assignee:
UBE MATERIAL INDUSTRIES, LTD., Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/02 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
C01F 5/02 (2013.01); C08K 3/22 (2013.01); C01P 2002/70 (2013.01); C01P 2006/12 (2013.01); C01P 2006/16 (2013.01); C08K 2003/222 (2013.01); C08K 2201/001 (2013.01);
Abstract
This magnesium oxide powder contains secondary particles in which a plurality of primary particles of magnesium oxide having a crystal phase and a grain boundary phase are at least partially fused together by the grain boundary phase, and a median diameter obtained by a laser diffraction scattering method is 300 μm or less.