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. 25, 2011
Filed:
Oct. 17, 2008
Miho Hatanaka, Aichi-gun, JP;
Toshitaka Tanabe, Aichi-gun, JP;
Naoki Takahashi, Nagoya, JP;
Takeru Yoshida, Toyota, JP;
Yuki Aoki, Nisshin, JP;
Miho Hatanaka, Aichi-gun, JP;
Toshitaka Tanabe, Aichi-gun, JP;
Naoki Takahashi, Nagoya, JP;
Takeru Yoshida, Toyota, JP;
Yuki Aoki, Nisshin, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-Gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Cataler Corporation, Kakegawa-shi, JP;
Abstract
A particulate inorganic mixed oxide comprising: aluminum; zirconium; cerium; lanthanum and an additional element selected from the group consisting of neodymium and praseodymium, wherein the inorganic mixed oxide has at least 80% of primary particles with article diameters of 100 nm or less, and at least a part of the primary particles have an enriched surface region where the additional element is locally increased in a surface layer portion thereof.