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:
Dec. 11, 2007
Filed:
Sep. 08, 2003
Applicants:
Masafumi Tanaka, Minato-ku, JP;
Takahito Mochida, Hamamatsu, JP;
Inventors:
Masafumi Tanaka, Minato-ku, JP;
Takahito Mochida, Hamamatsu, JP;
Assignee:
Nichias Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A holding material used for a catalytic converter having a catalyst carrier shaped like a cylinder, a casing for receiving the catalyst carrier, and the holding material mounted on the catalyst carrier and interposed in a gap between the catalyst carrier and the casing, the holding material including a molding of inorganic fibers shaped like a mat or a cylinder, wherein at least an exhaust-gas-inlet-side end portion of the holding material is set to be smaller in basis weight than any other area of the holding material over a predetermined axial length.