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:
Jun. 11, 2012
Filed:
Nov. 17, 2009
Applicants:
Takashi Oda, Yokosuka, JP;
Yasuaki Kai, Yokohama, JP;
Tomohiro Ito, Yokohama, JP;
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2005.12); C04B 14/30 (2005.12);
U.S. Cl.
CPC ...
Abstract
An alumina particle () of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0.AlO.nHO  Formula I