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:
Oct. 05, 1982

Filed:

Oct. 28, 1980
Applicant:
Inventors:

Takuo Sugano, Tokyo, JP;

Eiji Niki, Tokyo, JP;

Yoichi Okabe, Tokyo, JP;

Tatsuo Akiyama, Tokyo, JP;

Assignee:

Takashi Mukaibo, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2041 / ; 204 / ; 357 25 ;
Abstract

An ion selective field-effect sensor selectively sensitive to a particular cation to be measured is disclosed. In the sensor is used a giant heterocyclic compound selectively forming a complex with the particular cation as an ion sensitive film provided on a surface of a field-effect semiconductor device.


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