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.:
Date of Patent:
Aug. 03, 2021
Filed:
Jan. 24, 2017
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Ken Sugimoto, Tokyo, JP;
Yoshinobu Miyabe, Tokyo, JP;
Shinichi Ikeda, Tokyo, JP;
Kouta Kagimoto, Tokyo, JP;
Ryoujyu Narikawa, Tokyo, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/28 (2006.01); B01D 53/14 (2006.01); B01J 20/02 (2006.01); B01J 20/14 (2006.01); B01J 20/20 (2006.01); B01J 20/30 (2006.01);
U.S. Cl.
CPC ...
B01J 20/28019 (2013.01); B01D 53/14 (2013.01); B01J 20/02 (2013.01); B01J 20/0229 (2013.01); B01J 20/14 (2013.01); B01J 20/20 (2013.01); B01J 20/28 (2013.01); B01J 20/28004 (2013.01); B01D 2252/10 (2013.01); B01D 2257/104 (2013.01); B01J 20/3028 (2013.01); B01J 2220/42 (2013.01);
Abstract
The present invention provides an oxygen scavenger composition comprising a granule having: an α layer containing a water retention agent, a swelling agent, a metal salt and water; a β layer containing iron; and a γ layer containing a porous support, wherein the granule forms a layer structure in order of the α layer, the β layer and the γ layer from an inside to an outside of the granule.