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:
Apr. 10, 1979
Filed:
Jun. 28, 1978
Shradha Nand, Elkhart, IN (US);
Melvin D Smith, Wakarusa, IN (US);
Miles Laboratories, Inc., Elkhart, IN (US);
Abstract
Improved test compositions, devices and methods are provided for detecting peroxidatively active substances in body fluids, body excreta and the like. The test compositions include an indicator or chromogen capable of being oxidized in the presence of a peroxidatively active substance to provide a color change, an oxidizing agent effective to oxidize said indicator or chromogen, and as a potentiating agent capable of enhancing the color obtained, a compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, a lower alkyl group of 1 to 4 carbon atoms or hydroxy, and R.sub.2, R.sub.3 and R.sub.4 are independently selected from hydrogen or a lower alkyl group of 1 to 4 carbon atoms; provided that at most only one R group is substituted.