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:
Jun. 18, 2013
Filed:
Oct. 02, 2008
Philippe Vernoux, Rochetaillee sur Saone, FR;
Abdelkader Hadjar, Lyons, FR;
Ahmed Marouf, Cavaillon, FR;
Philippe Vernoux, Rochetaillee sur Saone, FR;
Abdelkader Hadjar, Lyons, FR;
Ahmed Marouf, Cavaillon, FR;
Saint-Gobain Centre de Recherches et d'Etudes Europeen, Courbevoie, FR;
Abstract
A device for the purification of a polluted gas, for example an exhaust gas from a diesel or gasoline engine, comprising, in combination: A honeycomb structure, comprising at least one porous electron-conductive material forming the walls () of said structure and an electrochemical system for treating said gas, comprising a layer () of an ionically conductive and electronically insulating material D, a reduction catalyst A () for reducing the polluting species of the NOtype and an oxidation catalyst B () for oxidizing the polluting species of the soot, hydrocarbon HC, CO or Htype, said electrochemical system being configured in the form of an electrode W and a counterelectrode CE; and means for applying a voltage or a current between said electrode W and said counterelectrode CE.