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.

Date of Patent:
May. 25, 2010

Filed:

Mar. 24, 2005
Applicants:

Shinzou Hayashi, Obu, JP;

Hiroyuki Suenobu, Nagoya, JP;

Hirotake Yamada, Anjyo, JP;

Yasushi Noguchi, Nagoya, JP;

Inventors:

Shinzou Hayashi, Obu, JP;

Hiroyuki Suenobu, Nagoya, JP;

Hirotake Yamada, Anjyo, JP;

Yasushi Noguchi, Nagoya, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/03 (2006.01); B01D 39/06 (2006.01); B28B 1/00 (2006.01); B28B 3/00 (2006.01); B28B 5/00 (2006.01); B28B 33/32 (2006.01); C04B 33/32 (2006.01); C04B 33/36 (2006.01); C04B 35/64 (2006.01);
U.S. Cl.
CPC ...
Abstract

A ceramic porous body including at least Si as a chemical component, the ceramic porous body being obtained by adding a porous silica powder or a porous silica-containing compound powder to a forming raw material to prepare a clay, forming the resulting ceramic clay into a specific shape, and firing the formed product. The ceramic porous body according to the present invention does not produce carbon dioxide or toxic gas during firing and allows the firing time to be reduced in comparison with the case of using a resin powder or a carbon powder as a pore-forming agent by using the porous silica powder or the porous silica-containing compound powder as the pore-forming agent during production. Moreover, a change in pore-forming characteristics or deformation of a formed product rarely occurs.


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