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:
Mar. 04, 2014
Filed:
Nov. 14, 2008
Hirohisa Suwabe, Minato-ku, JP;
Masaru Yoshida, Moka, JP;
Tomomasa Kumagai, Miyako-gun, JP;
Hideya Yamane, Moka, JP;
Hirohisa Suwabe, Minato-ku, JP;
Masaru Yoshida, Moka, JP;
Tomomasa Kumagai, Miyako-gun, JP;
Hideya Yamane, Moka, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A ceramic honeycomb structure having a large number of flow paths partitioned by porous cell walls, the cell walls comprising at least main crystals of aluminum titanate, in which MgO and SiOare dissolved to form a solid solution, and glass phases, the glass phases containing 40-80% by mass of SiOand 1-20% by mass of MgO, the average size of the glass phases being 30 μm or less in a cross section of the cell walls, and the area ratio of the glass phases to the total area of the main crystals of aluminum titanate and the glass phases being 2-12% in a cross section of the cell walls, and its production method.