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.

Date of Patent:
Mar. 20, 1990

Filed:

Feb. 09, 1989
Applicant:
Inventor:

Narushi Ito, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
204403 ; 357 25 ; 435288 ; 435291 ; 435817 ;
Abstract

An electrochemical sensor wherein a FET for measuring chemical substances and a reference electrode are covered with a continuous hydrous polymer on an insulating substrate, and on the hydrous polymer, an enzyme-immobilized film is formed in a region positioned on a channel part of FET for measuring chemical substances.


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