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:
Apr. 18, 2006
Filed:
Apr. 02, 2004
Applicants:
Masahiro Ohmori, Chiba, JP;
Akihiko Kotera, Chiba, JP;
Inventors:
Masahiro Ohmori, Chiba, JP;
Akihiko Kotera, Chiba, JP;
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 23/00 (2006.01); C01G 21/00 (2006.01); C01F 11/00 (2006.01); C01F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A perovskite titanium-containing composite oxide particle have a composition represented by general formula (I), where the specific surface area is about 10 to about 200 m/g, the specific surface area diameter Dof the primary particles defined by formula (II) is about 10 to about 100 nm, and a D/Dratio of the average particle size Dof secondary particles to Dis about 1 to about 10:M(TiO)  (I)