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Title:
CERAMIC FILTER FOR SUPPORTING A CATALYST, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2010/146954
Kind Code:
A1
Abstract:
Disclosed is a ceramic filter for supporting a catalyst, whereby a low thermal expansion coefficient can be obtained without requiring precoating before inorganic particulate film formation. Also disclosed is a method for manufacturing said ceramic filter. The disclosed ceramic filter for supporting a catalyst on the filter surface is characterized by the provision of: a ceramic filter body formed from an aluminum titanate having a mean aspect ratio (the number average long-axis length divided by the number average short-axis length) of at least 1.3; and an inorganic particulate film provided directly on the surface of the ceramic filter body in order to increase the specific surface area thereof.

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Inventors:
ITOI, Nobuki (463, Kagasuno, Kawauchi-cho, Tokushima-sh, Tokushima 93, 〒7710193, JP)
糸井　伸樹 (〒93 徳島県徳島市川内町加賀須野４６３　大塚化学株式会社内 Tokushima, 〒7710193, JP)
MORI, Hiroyoshi (463, Kagasuno, Kawauchi-cho, Tokushima-sh, Tokushima 93, 〒7710193, JP)
Application Number:
JP2010/058271
Publication Date:
December 23, 2010
Filing Date:
May 17, 2010
Export Citation:
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Assignee:
OTSUKA CHEMICAL CO., LTD. (2-27, Otedori 3-chome Chuo-ku, Osaka-sh, Osaka 21, 〒5400021, JP)
大塚化学株式会社 (〒21 大阪府大阪市中央区大手通３丁目２番２７号 Osaka, 〒5400021, JP)
ITOI, Nobuki (463, Kagasuno, Kawauchi-cho, Tokushima-sh, Tokushima 93, 〒7710193, JP)
糸井　伸樹 (〒93 徳島県徳島市川内町加賀須野４６３　大塚化学株式会社内 Tokushima, 〒7710193, JP)
International Classes:
C04B41/85; B01D39/14; B01D39/20; B01J21/10; B01J33/00; B01J35/04; C04B35/46; C04B38/00
Attorney, Agent or Firm:
METSUGI, Makoto et al. (6F Daido Seimei Bldg, 5-4 Tanimachi 1-chome, Chuo-ku, Osaka-sh, Osaka 12, 〒5400012, JP)
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