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. 20, 2013
Filed:
May. 30, 2008
Applicants:
Yoshihisa Ohsaki, Ako, JP;
Atsuya Kawase, Ako, JP;
Kaori Yamamoto, Ako, JP;
Inventors:
Assignee:
Tateho Chemical Industries Co., Ltd., Ako-shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 5/02 (2006.01); C01F 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Magnesium oxide powders having a large diameter of crystallite, and having a favorable crystallinity are provided. Magnesium oxide powders: having peak widths at half-height of the peaks on a (111) plane, a (200) plane and a (220) plane of each no greater than 0.20 degrees as determined with a powder X-ray diffraction method carried out using a Cu—Kα ray; and having a crystallite diameter of no less than 700 Å.