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. 26, 1989
Filed:
May. 26, 1987
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
435-4 ; 435291 ; 435805 ; 435810 ; 422 56 ; 422 57 ; 422 58 ; 422 60 ; 422 61 ; 422 68 ; 436808 ; 436810 ;
Abstract
A dry analytical element for assaying an enzyme in a liquid is disclosed, comprising a support having provided thereon at least a porous liquid-spreading layer composed of water non-absorbent fibers, wherein said porous liquid-spreading layer contains a substrate for an enzyme to be assayed and a hydrophilic polymer in an amount effective to decrease a spreading area by at least 20%. The analytical element exhibits high sensitivity and high reproducibility.