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:
Oct. 26, 2004
Filed:
Nov. 09, 2001
Toshiharu Harada, Ube, JP;
Yuji Mishima, Ube, JP;
Seiji Okazaki, Onoda, JP;
Haruki Kurokawa, Hiroshima, JP;
Hidetomo Unemoto, Ube, JP;
Kazuyoshi Murashige, Yamaguchi-ken, JP;
Manabu Matsumoto, Onoda, JP;
Tadashi Kanasaku, Ube, JP;
Toda Kogyo Corporation, Hiroshima-ken, JP;
Abstract
Spherical tetragonal barium titanate particles of the present invention have a perovskite crystal structure, an average particle diameter of 0.05 to 0.5 &mgr;m, a particle size distribution &sgr;g of not less than 0.70, and a ratio of Ba to Ti of 0.99:1 to 1.01:1. The spherical tetragonal barium titanate particles exhibit an excellent dispersibility as well as a high denseness, a high purity and excellent permittivity properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile