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:
Oct. 02, 2012
Filed:
Mar. 26, 2004
Applicants:
Kakuhei Isawa, Odawara, JP;
Tadashi Nakatsubo, Odawara, JP;
Satoshi Hayashi, Odawara, JP;
Yasushi Kubota, Odawara, JP;
Inventors:
Kakuhei Isawa, Odawara, JP;
Tadashi Nakatsubo, Odawara, JP;
Satoshi Hayashi, Odawara, JP;
Yasushi Kubota, Odawara, JP;
Assignee:
Meiji Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11B 5/00 (2006.01); C07C 51/15 (2006.01); A21D 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for stabilizing 1,4-dihydroxy-2-naphthoic acid, which comprises reducing an oxygen dissolved in a solution containing 1,4-dihydroxy-2-naphthoic acid, and food or drink containing 1,4-dihydroxy-2-naphthoic acid.