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:
Jul. 12, 2005
Filed:
Oct. 22, 2001
Kailash C. Jain, Troy, MI (US);
Kenneth M. Rahmoeller, West Bloomfield, MI (US);
Da Yu Wang, Troy, MI (US);
Paul Kikuchi, Fenton, MI (US);
Carlos A. Valdes, Flint, MI (US);
Kailash C. Jain, Troy, MI (US);
Kenneth M. Rahmoeller, West Bloomfield, MI (US);
Da Yu Wang, Troy, MI (US);
Paul Kikuchi, Fenton, MI (US);
Carlos A. Valdes, Flint, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A method of treating a gas sensor comprising: disposing the gas sensor in a basic agent solution comprising a basic agent selected from the group consisting of Group IA of the Periodic Table of Elements, Group IIA of the Periodic Table of Elements, and combinations comprising at least one of the foregoing metals, wherein the gas sensor comprises an electrolyte disposed between and in ionic communication with a first electrode and a second electrode; disposing the gas sensor in an acidic agent solution; wetting at least a portion of a porous protective layer of the gas sensor with an alkaline-carbonate solution; and heating the gas sensor.