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. 13, 2001
Filed:
Sep. 27, 1999
Applicant:
Inventors:
James P. Albarella, Granger, IN (US);
Karl-Heinz Hildenbrand, Krefeld, DE;
Spencer H. Lin, Granger, IN (US);
Michael J. Pugia, Granger, IN (US);
LLoyd S. Schulman, Osceola, IN (US);
Assignee:
Bayer Corporation, Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q 1/68 ; G01N 3/353 ; G01N 3/122 ; G01N 3/370 ; G01N 3/300 ;
U.S. Cl.
CPC ...
C12Q 1/68 ; G01N 3/353 ; G01N 3/122 ; G01N 3/370 ; G01N 3/300 ;
Abstract
Disclosed is a diagnostic device for the colorimetric detection of an analyte in a test fluid. The device is a dry reagent layer which is overcoated with a transparent, fluid permeable membrane. The membrane is made up of a combination of a water dispersible and a water soluble polymer. The membrane may contain a surfactant and a thickener.