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. 15, 2009
Filed:
Jun. 10, 2004
Applicants:
Natacha Haik-beraud, Nogent sur Marne, FR;
Serge Moreau, Velizy Villacoublay, FR;
François Jantet, Amiens, FR;
Audrey Moulin, Vincennes, FR;
Inventors:
Natacha Haik-Beraud, Nogent sur Marne, FR;
Serge Moreau, Velizy Villacoublay, FR;
François Jantet, Amiens, FR;
Audrey Moulin, Vincennes, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/50 (2006.01); C10K 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for purifying a gas flow containing hydrogen (H2) and carbon monoxide (CO), in addition to at least one nitrogen oxide (NOx), as impurities. According to said method, the gaseous flow is brought into contact with at least one catalyst containing copper and/or palladium, at a temperature between 100 DEG C. and 200 DEG C., in such a way as to eliminate at least part of the nitrogen oxide.