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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.:

US 9315383 B1

PDFFull Text
Date of Patent:
Apr. 19, 2016

Filed:

Jan. 27, 2012

Oxygen absorbing agent and method for storing the same

Applicants:

Emi Ishihara, Tokyo, JP;

Tomoharu Himeshima, Matsudo, JP;

Tatsuo Iwai, Ibaraki, JP;

Inventors:

Emi Ishihara, Tokyo, JP;

Tomoharu Himeshima, Matsudo, JP;

Tatsuo Iwai, Ibaraki, JP;

Assignee:

MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Weiping Zhu

Int. Cl.
CPC ...
C01B 13/00 (2006.01); B01D 53/02 (2006.01); C22C 1/04 (2006.01); C22C 1/08 (2006.01); C22C 21/00 (2006.01); C22C 38/00 (2006.01); C22C 19/00 (2006.01); C22C 19/03 (2006.01); B22F 9/16 (2006.01); C22C 33/02 (2006.01); B65D 81/18 (2006.01); C01B 13/02 (2006.01); B01J 20/02 (2006.01); B22F 9/04 (2006.01); A23L 3/3436 (2006.01);
U.S. Cl.
CPC ...
C01B 13/00 (2013.01); B01D 53/02 (2013.01); B01J 20/02 (2013.01); B22F 9/16 (2013.01); B65D 81/18 (2013.01); C01B 13/0281 (2013.01); C22C 1/04 (2013.01); C22C 1/08 (2013.01); C22C 19/007 (2013.01); C22C 19/03 (2013.01); C22C 21/00 (2013.01); C22C 33/0228 (2013.01); C22C 38/00 (2013.01); A23L 3/3436 (2013.01); B01D 2253/1122 (2013.01); B01D 2257/104 (2013.01); B22F 2009/043 (2013.01); B22F 2009/045 (2013.01); B22F 2999/00 (2013.01); Y10T 428/12479 (2015.01);
Abstract

There is provided an oxygen absorbing agent that can have a capability of absorbing oxygen in an atmosphere even when the atmosphere is free or substantially free from moisture. The oxygen absorbing agent comprises a metal, the metal having been obtained by subjecting an alloy comprising (A) at least one transition metal selected from the group consisting of manganese, iron, platinum, and copper group metals and (B) at least one metal selected from the group consisting of aluminum, zinc, tin, lead, magnesium, and silicon to treatment with an acidic or alkaline aqueous solution to elute and remove at least a part of the component (B).

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