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:
Feb. 24, 1998
Filed:
Jul. 28, 1995
Kazuhiko Kumazawa, Nagoya, JP;
Tatsuya Ishiguro, Tajimi, JP;
NGK Insulators, Ltd., , JP;
Abstract
A honeycomb structural body is obtained by mixing 60.about.80 wt % of aggregate, which does not show a transformation of crystal structures substantially up to 500.degree. C., and 20.about.40 wt % of clay to obtain a mixture, adding phosphate as a hardening agent to the mixture in such a manner that more than 2.0 wt % of phosphoric acid exists therein with respect to 100 wt % of the mixture, adding a forming agent and a water to the mixture to obtain a formable batch, extruding the batch into a honeycomb structure to obtain a honeycomb structural formed body, drying the honeycomb structural formed body, and subjecting the honeycomb structural formed body to a heat treatment in 300.degree..about.500.degree. C. The thus obtained honeycomb structural body has excellent catalyst carrying property and fireproof property, which are used as a catalyst carrier for ozone dissolving, deodorizing and so on in an inexpensive manner.