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. 30, 2013
Filed:
Feb. 17, 2009
Gerald Jeske, Neuberg, DE;
Marcus Pfeifer, Solingen, DE;
Wolfgang Schneider, Rodenbach, DE;
Franz Dornhaus, Frankfurt am Main, DE;
Ralf Mueller, Sinntal, DE;
Michael Schiffer, Langenselbold, DE;
Gerald Jeske, Neuberg, DE;
Marcus Pfeifer, Solingen, DE;
Wolfgang Schneider, Rodenbach, DE;
Franz Dornhaus, Frankfurt am Main, DE;
Ralf Mueller, Sinntal, DE;
Michael Schiffer, Langenselbold, DE;
Umicore AG & Co. KG, Hanau-Wolfgang, DE;
Abstract
To equip a diesel particle filter with a zeolite-containing coating uniformly over the entire length of the particle filter and with a further zeolite-free coating which is applied, from the entry side of the filter, solely up to a specific length of the filter, it is proposed, first, to apply the zeolite-free coating from the entry side of the filter and only thereafter to apply the zeolite-containing coating over the entire length of the filter from the exit side of the filter. As a result of this sequence of coatings, a better adhesive strength of the coatings than when both coatings are applied from the entry side is ensured.