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. 25, 2014
Filed:
Oct. 18, 2011
Shinichiro Tomikawa, Shiojiri, JP;
Hirokazu Miyazawa, Shiojiri, JP;
Takeshi Iemura, Shiojiri, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO-equivalent content of the titanium compound, the FeO-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO-equivalent content of the titanium compound and the FeO-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO-equivalent content of the titanium compound to the FeO-equivalent content of the iron compound (TiO/FeO) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.