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. 02, 2014
Filed:
Dec. 14, 2011
Michael Seyler, Rodenbach, DE;
Nicola Soeger, Nidderau, DE;
Katja Adelmann, Darmstadt, DE;
Thomas R. Pauly, Clarkston, MI (US);
Gerald Jeske, Neuberg, DE;
Michael Seyler, Rodenbach, DE;
Nicola Soeger, Nidderau, DE;
Katja Adelmann, Darmstadt, DE;
Thomas R. Pauly, Clarkston, MI (US);
Gerald Jeske, Neuberg, DE;
Umicore AG & Co. KG, Hanau-Wolfgang, DE;
Abstract
A process for improving catalytic activity of a copper-promoted zeolitic catalyst with a chabazite structure, the copper-promoted zeolitic catalyst having a temperature-programmed reduction (TPR) signal in a temperature range from 230° C. to 240° C. as examined in a TPR with a test gas having a hydrogen content of 5% by volume, a heating rate of 10 K/min, and a catalyst sample weight containing from 3 to 8 milligrams of copper calculated as metal.