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:
Nov. 13, 2001
Filed:
May. 26, 1999
Applicant:
Inventors:
Hiroshige Itakura, Tokyo, JP;
Kazuo Kondo, Tokyo, JP;
Masahiro Kimura, Tokyo, JP;
Hiroo Yamamoto, Tokyo, JP;
Assignee:
TFB, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/372 ;
U.S. Cl.
CPC ...
G01N 3/372 ;
Abstract
A method for measuring antioxidant activity of test samples, which attains higher sensitivity than the conventional methods is disclosed. In the method of this invention, methemoglobin, an oxidizing agent which oxidizes methemoglobin, a coloring agent which generates color by reaction with methemoglobin in the presence of the oxidizing agent, and a test sample whose antioxidant activity is to be measured are reacted, and the generated color is measured.