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. 05, 2009

Filed:

Feb. 25, 2005
Applicants:

Hidefumi Saito, Ibaraki, JP;

Yoshihiko Takemura, Ichinomiya, JP;

Takatoshi Shoji, Kobe, JP;

Inventors:

Hidefumi Saito, Ibaraki, JP;

Yoshihiko Takemura, Ichinomiya, JP;

Takatoshi Shoji, Kobe, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B64D 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A carbon dioxide adsorption element rapidly adsorbs a large amount of carbon dioxide, and regenerates amine groups for carbon dioxide adsorption rapidly and uniformly with high-temperature air. The carbon dioxide adsorption elementfor adsorbing carbon dioxide in air comprises a foil-like or plate-like support member, a porous aluminum oxide filmcovering the support member, and the amine groupsclinging to the inner surface of each poreof the filmfor carbon dioxide adsorption. The filmis formed by oxidation of aluminum or aluminum alloy. The depth direction of each poreof the film is the thickness direction of the support member


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