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:
Jan. 07, 2014

Filed:

Sep. 18, 2009
Applicants:

Yutaka Kohgo, Asahikawa, JP;

Katsuya Ikuta, Asahikawa, JP;

Katsunori Sasaki, Asahikawa, JP;

Yuzo Nishida, Kanazawa, JP;

Inventors:

Yutaka Kohgo, Asahikawa, JP;

Katsuya Ikuta, Asahikawa, JP;

Katsunori Sasaki, Asahikawa, JP;

Yuzo Nishida, Kanazawa, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 33/20 (2006.01); C07C 229/14 (2006.01); C07D 233/64 (2006.01); C07C 229/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an iron chelating agent which can selectively chelate iron ions. The iron chelating agent of the present invention includes a compound represented by the following formula (1) or a salt thereof (wherein, ring Z represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring; Rrepresents an alkylene group; Rand Reach independently represent a hydrogen atom, a hydrocarbon group or a group having chelating ability; and the total coordination number of the groups represented by Rand Ris 1 or 2.)


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