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. 04, 2012
Filed:
Jul. 21, 2010
Applicant:
Da Yu Wang, Troy, MI (US);
Inventor:
Da Yu Wang, Troy, MI (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); C25B 11/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ammonia gas sensor is disclosed that includes a reference electrode, an ammonia selective sensing electrode and an electrolyte disposed therebetween. The ammonia sensing electrode comprises an oxide material characterized by the formulaCeALVO wherein L is lanthanum or another lanthanide element other than cerium, A is one or more other metals, and w, x, y and z are numbers indicative of atomic proportion with w ranging from about 0.001 to about 4 x ranging from 0 to about 0.8, y ranging from about 0.001 to about 4, and z with a range to balance the existence of Cew, Ax, Ly and V.