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. 19, 2005
Filed:
Apr. 03, 2002
Applicants:
Hiroyuki Yamaoka, Ube, JP;
Yoshikatsu Harada, Ube, JP;
Hidekuni Hayashi, Ube, JP;
Inventors:
Assignee:
Ube Industries, Ltd., Yamaguchi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B035/48 ; C04B035/565 ;
U.S. Cl.
CPC ...
Abstract
There are provided a high-strength zirconia-containing inorganic fiber having excellent alkali resistance, oxidation resistance, catalyst function and/or catalyst-carrying function and a process for the production thereof. The zirconia-containing inorganic fiber is a fiber which is formed of a composite oxide phase comprising a first phase mainly formed of a silica component or silicon carbide and a second phase formed of zirconia, and it is characterized in that the ratio of Zr slopingly increases toward the surface layer of the fiber.