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. 19, 1976
Filed:
Sep. 08, 1975
Raymond L Mast, Elkhart, IN (US);
Charles Tak Lam, Elkhart, 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, excreta and the like. In the type of test compositions including an indicator 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, and a potentiating agent, the improvement comprises the use as said potentiating agent of an acid salt or adduct of a compound selected from the class of compounds of the general formula ##SPC1## Wherein R.sub.1 is hydrogen, lower alkyl, hydroxy or thiophenyl; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen or lower alkyl; R.sub.4 is hydrogen, carboxy, lower alkyl or lower alkoxy; and R.sub.5 is hydrogen or lower alkyl.