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:
Jan. 10, 2012
Filed:
Jan. 13, 2010
Yukio Miyairi, Nagoya, JP;
Takashi Mizutani, Tokoname, JP;
Takuya Hiramatsu, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
There is provided a honeycomb structure where a catalyst is loaded on surfaces of inner pores of the surface layer and on a surface of the surface layer; a relation between a catalyst area proportion A of the catalyst to a gap area proportion B of a gap in a cross-section of the surface layer on the inlet side is 1%<A/B<90%; and a relation between an average catalyst area proportion, A, from the surface to a point having a depth of one third of the thickness of the surface layer including the surface of the surface layer on the inlet side and a catalyst area proportion Ain a central portion of the surface layer is A/A>1.5.