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. 19, 2012
Filed:
Dec. 24, 2008
Kazushige Ohno, Gifu, JP;
Masafumi Kunieda, Gifu, JP;
Takahiko Ido, Gifu, JP;
Ibiden Co., Ltd., Ogaki-shi, JP;
Abstract
A honeycomb structure includes at least one honeycomb unit having opening ratio (P) of at least approximately 50% and at most approximately 65% and a cell density ρ of at least approximately 31/cmand at most approximately 93/cm. The honeycomb unit includes an inorganic binder and at least approximately 230 g/L of zeolite in which L represents an apparent volume. The honeycomb unit further includes and a plurality of cell walls extending from a first end to a second end of the honeycomb unit along a longitudinal direction of the honeycomb unit to define cells. The cell walls have a surface roughness Ra of at least approximately 1 μm and at most approximately 30 μm.