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:
Feb. 17, 1981
Filed:
Jul. 28, 1978
Applicant:
Inventors:
Assignee:
Wako Pure Chemical Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ;
U.S. Cl.
CPC ...
435 28 ; 2323 / ; 252408 ; 435 10 ; 435 11 ; 435 12 ; 435 14 ; 435 20 ;
Abstract
Colorimetrical determination of hydrogen peroxide in clinical examinations, food additives analyses and general analyses can be carried out accurately, rapidly and economically by using a composition for producing color producing reagents comprising 4-aminoantipyrine, a N-substituted-3-alkylaniline and a hydrogen peroxide activating agent such as peroxidase, said composition forming a coloring material having excellent sensitivity and color stability in contact with hydrogen peroxide.