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:
Sep. 04, 2012

Filed:

Aug. 01, 2008
Applicants:

Akiko Suzuki, Minato-ku, JP;

Tatsuoki Kohno, Minato-ku, JP;

Shinetsu Fujieda, Kawasaki, JP;

Toshihide Takahashi, Ota-ku, JP;

Katsuya Yamamoto, Yokohama, JP;

Mari Iwashita, Chuo-ku, JP;

Nobuyuki Ashikaga, Kawasaki, JP;

Hidetake Shiire, Setagaya-ku, JP;

Satoshi Haraguchi, Kodaira, JP;

Tokusuke Hayami, Fuchu, JP;

Inventors:

Akiko Suzuki, Minato-ku, JP;

Tatsuoki Kohno, Minato-ku, JP;

Shinetsu Fujieda, Kawasaki, JP;

Toshihide Takahashi, Ota-ku, JP;

Katsuya Yamamoto, Yokohama, JP;

Mari Iwashita, Chuo-ku, JP;

Nobuyuki Ashikaga, Kawasaki, JP;

Hidetake Shiire, Setagaya-ku, JP;

Satoshi Haraguchi, Kodaira, JP;

Tokusuke Hayami, Fuchu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 20/22 (2006.01); B01J 20/02 (2006.01); B01D 15/00 (2006.01); B01D 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A phosphorus compound adsorbent; a phosphorus compound adsorption system, wherein the phosphorus compound adsorbed can be desorbed in a neutral solvent; and a method of using the phosphorus compound adsorbent are provided. The phosphorus compound adsorbent includes a nitrogen-containing compound having an amino group at an end of the molecular structure, a support carrying the nitrogen-containing compound, and at least one metal ion selected from the group consisting of a zinc ion, a copper ion, an iron ion, and a zirconium ion, which is fixed to the nitrogen-containing compound.


Find Patent Forward Citations

Loading…