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:
Apr. 22, 2008
Filed:
Oct. 31, 2002
Applicants:
Hans-martin Wiedenmann, Stuttgart, DE;
Frank Stanglmeier, Ceske Budejovice, CZ;
Karl-hermann Friese, Leonberg, DE;
Inventors:
Hans-Martin Wiedenmann, Stuttgart, DE;
Frank Stanglmeier, Ceske Budejovice, CZ;
Karl-Hermann Friese, Leonberg, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalytically active layer that is used, for example, as an electrode for a solid electrolyte-based sensor element of a gas sensor for determining a gas component in a gas mixture. The catalytically active layer includes a metallic component, that includes a noble metal in the form of platinum, rhodium, and/or palladium, and additionally a base metal. At least a portion of the originally present base metal is replaced by cavities in the metallic component.