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:
Nov. 05, 1991
Filed:
Oct. 09, 1987
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ;
U.S. Cl.
CPC ...
435 26 ; 435 25 ; 435188 ; 422 56 ; 422 57 ; 422 58 ; 427-2 ;
Abstract
An improvement of a dry integral multilayer analytical element having functional layers which contain dehydrogenase, oxidized nicotinamide coenzyme, an electron transport compound and an electron acceptable dye-forming compound is disclosed. The improvement the analytical element resides in that an alkali agent or an alkaline buffer is contained in a layer which is different from a layer or layers containing the oxidized nicotinamide coenzyme and electron acceptable dye-forming compound.