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, 2016
Filed:
Feb. 04, 2013
Applicant:
Tokuyama Corporation, Yamaguchi, JP;
Inventors:
Yutaka Fukunaga, Yamaguchi, JP;
Yukihiro Kanechika, Yamaguchi, JP;
Assignee:
Tokuyama Corporation, Tamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/072 (2006.01); C09K 5/14 (2006.01);
U.S. Cl.
CPC ...
C01B 21/0726 (2013.01); C01B 21/072 (2013.01); C01B 21/0728 (2013.01); C09K 5/14 (2013.01); C01P 2004/03 (2013.01); C01P 2004/50 (2013.01); C01P 2004/61 (2013.01); C01P 2006/12 (2013.01);
Abstract
A method for producing sintered aluminum nitride granules includes a reduction nitridation step of carrying out the reduction nitridation of porous alumina granules at a temperature of 1400 to 1700° C. inclusive to produce porous aluminum nitride granules; and a sintering step of sintering the porous aluminum nitride granules, which are produced in the reduction nitridation step, at a temperature of 1580 to 1900° C. inclusive.