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:
Dec. 04, 1990
Filed:
Jul. 30, 1987
James P Albarella, Elkhart, IN (US);
Steven C Charlton, Elkhart, IN (US);
James W Reinsch, Elkhart, IN (US);
Mary E Warchal, Osceola, IN (US);
Miles Inc., Elkhart, IN (US);
Abstract
Test compositions, indicators, and test device are provided which are capable of generating different hues at different analyte concentrations. The compositions are capable of generating a yellow hue in situ. Visual tests for clinically important analytes, such as glucose, are determined by use of two independent catalytic systems which are reactive with reduced nicotinamide adenine dinucleotide to produce a range of hues; the particular hue produced depending on the concentration of the analyte. The invention provides a test device for the determination of analyte, e.g. glucose, in body fluid which exhibits a rainbow of hues, the particular final hue produced depending on the analyte concentration.