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:
Aug. 29, 1989
Filed:
Apr. 11, 1986
Applicant:
Inventors:
Nobuhito Masuda, Asaka, JP;
Shigeru Nagatomo, Asaka, JP;
Hajime Makiuchi, Asaka, JP;
Yukio Yasuda, Asaka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
422 56 ; 435-4 ; 435805 ; 436500 ; 436501 ; 436518 ; 436524 ; 436528 ; 436530 ; 436810 ;
Abstract
A biological reaction layer of a dry analytical element in the form of a composite porous layer in which a particulate material carrying a biologically active material fixed thereon is dispersed in a fibrous porous matrix, characterized in that the dry weight ratio of said particulate material to said fibrous material contained in said composite porous layer ranges from 1:20 to 1:0.3 and said particulate material is contained therein in the range of 1 to 60 g/m.sup.2.