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. 26, 2013
Filed:
Jun. 02, 2009
Fumiharu Sato, Nagoya, JP;
Takuya Hiramatsu, Nagoya, JP;
Shuichi Ichikawa, Handa, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A honeycomb structureincludes: a periphery-ground article obtained by grinding an outer peripheral portion of a cell structurewhere a plurality of honeycomb segmentsare bonded by means of a bonding layerat an outer wallof each of them, and an outer peripheral coat layerdisposed on an outer peripheral faceof the periphery-ground article; wherein at least one of the bonding layerand the outer peripheral coat layeris formed by the use of honeycomb-forming slurry containing: biologically soluble fibers containing a metal oxide capable of extricating a metal ion, an inorganic binder containing a colloidal oxide having silica sol, and a chelate compound capable of multi-coordinating with the metal ion or an additive containing a first buffer solution or acid.