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:
May. 26, 2009
Filed:
Feb. 05, 2004
Applicants:
Morikatsu Matsunaga, Nagoya, JP;
Koushi Yamamoto, Nagoya, JP;
Akira Kuriyama, Nagoya, JP;
Inventors:
Assignees:
Toagosei Co., Ltd., Tokyo, JP;
NGK Insulators, Ltd., Nagoya-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for producing porous ceramic, the method including molding a mixture containing a water absorbent polymer particle, a ceramic raw material, and water, the water absorbent polymer particle having a water absorption amount in a range of 5 to 30 ml/g at a pressure of 980 Pa, and heating and baking the resulting molded product. The water absorbent polymer particle is preferably composed of a polymer having a 2-acrylamide-2-methylpropanesulfonic acid unit or an acrylamide unit as a constituting monomer unit.