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:
Nov. 11, 2014
Filed:
Oct. 18, 2011
Applicants:
Shinichiro Tomikawa, Shiojiri, JP;
Hirokazu Miyazawa, Shiojiri, JP;
Takeshi Iemura, Shiojiri, JP;
Inventors:
Assignee:
Showa Denko K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 3/00 (2006.01); B24D 3/14 (2006.01); C04B 35/111 (2006.01); C04B 35/46 (2006.01); C09K 3/14 (2006.01); C04B 35/645 (2006.01); C04B 35/626 (2006.01); B24D 3/06 (2006.01); B24D 3/34 (2006.01);
U.S. Cl.
CPC ...
B24D 3/34 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/85 (2013.01); C04B 2235/3472 (2013.01); C09K 3/1418 (2013.01); C04B 2235/3208 (2013.01); B24D 3/00 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/3463 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/6022 (2013.01); C04B 35/645 (2013.01); C04B 2235/349 (2013.01); C04B 35/6263 (2013.01); C04B 2235/6021 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/96 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3234 (2013.01); C04B 35/111 (2013.01); C04B 2235/3481 (2013.01); C04B 2235/77 (2013.01); C04B 35/1115 (2013.01); B24D 3/06 (2013.01); C04B 2235/667 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/786 (2013.01);
Abstract
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlOgrains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlOgrains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.