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. 29, 2008
Filed:
Feb. 14, 2003
Applicants:
Yumi Ohnishi, Kagawa, JP;
Toshiaki Sogabe, Kagawa, JP;
Inventors:
Yumi Ohnishi, Kagawa, JP;
Toshiaki Sogabe, Kagawa, JP;
Assignee:
Toyo Tanso Co., Ltd., Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oxidation resistant carbon fiber reinforced carbon composite material comprises a matrix and 20 volume % or more of carbon fibers, and is characterized in that: the matrix contains ceramic powder that includes boron carbide powder having an average particle diameter of 5 μm or less; and an amount of the ceramic powder is 32 volume % or more based on volume of the carbon fibers.