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:
Feb. 02, 2016
Filed:
Feb. 17, 2011
Applicants:
Yoshitaka Takezawa, Tsukuba, JP;
Fusao Hojo, Hitachi, JP;
Shingo Tanaka, Hitachi, JP;
Hiroyuki Kagawa, Hitachi, JP;
Inventors:
Yoshitaka Takezawa, Tsukuba, JP;
Fusao Hojo, Hitachi, JP;
Shingo Tanaka, Hitachi, JP;
Hiroyuki Kagawa, Hitachi, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); C09C 1/40 (2006.01); C09D 7/12 (2006.01); C09K 5/14 (2006.01); C08K 3/10 (2006.01); C08K 9/00 (2006.01); C08K 7/00 (2006.01);
U.S. Cl.
CPC ...
C08L 63/00 (2013.01); C08K 9/00 (2013.01); C09C 1/40 (2013.01); C09D 7/1225 (2013.01); C09K 5/14 (2013.01); C01P 2004/61 (2013.01); C08K 3/10 (2013.01); C08K 7/00 (2013.01); Y10T 428/31529 (2015.04);
Abstract
A composite particle is constituted to include: an aluminum nitride particle; a first coating layer that contains α-alumina and coats at least a part of a region of a surface of the aluminum nitride particle; and a second coating layer that contains organic matter and coats a region other than the first coating layer of the surface of the aluminum nitride particle.