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:
May. 20, 2014
Filed:
Sep. 29, 2010
Applicants:
Junko Ichihara, Osaka, JP;
Natsuki Sakamoto, Tokyo, JP;
Yumiko Hagio, Tokyo, JP;
Tatsuya Ogawa, Tokyo, JP;
Inventors:
Junko Ichihara, Osaka, JP;
Natsuki Sakamoto, Tokyo, JP;
Yumiko Hagio, Tokyo, JP;
Tatsuya Ogawa, Tokyo, JP;
Assignee:
Kyodo Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01); C07C 65/03 (2006.01); B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The oxygen absorber of the present invention contains gallic acid and a transition metal compound; in addition, it may contain an alkali carbonate whereby the oxygen absorbent provides safety and the same oxygen absorption capability as the oxygen absorber using iron powder.