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:
Sep. 19, 1995
Filed:
Feb. 16, 1994
Applicant:
Inventors:
Assignee:
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436164 ; 436 93 ; 436127 ; 436138 ; 436169 ; 436904 ;
Abstract
The present invention is directed to a method for determining the presence of an oxidant or reductant in a sample by contacting the sample with a thin film of polyaniline in the reduced state or oxidized state, respectively, and measuring the color change occurring with the oxidation or reduction, respectively, of the polyaniline film.