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:
May. 30, 2023
Filed:
Oct. 30, 2019
Basf Corporation, Florham Park, NJ (US);
Matthias Peter, Hannover, DE;
Karifala Dumbuya, Hannover, DE;
Miriam Schubert, Nienburg/Weser, DE;
Ahmad Moini, Iselin, NJ (US);
Yu Dai, Shanghai, CN;
Stefan Maurer, Shanghai, CN;
Haiyang Zhu, Iselin, NJ (US);
Yi Liu, Huntsville, AL (US);
Wen-Mei Xue, Iselin, NJ (US);
Ming-Ming Wei, Shanghai, CN;
Maria Heenemann, Hannover, DE;
BASF Corporation, Florham Park, NJ (US);
Abstract
A process for preparing a catalyst comprising a zeolitic material comprising copper, the process comprising (i) preparing an aqueous mixture comprising water, a zeolitic material comprising copper, a source of copper other than the zeolitic material comprising copper, and a non-zeolitic oxidic material selected from the group consisting of alumina, silica, titania, zirconia, ceria, a mixed oxide comprising one or more of Al, Si, Ti, Zr, and Ce and a mixture of two or more thereof; (ii) disposing the mixture obtained in (i) on the surface of the internal walls of a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; and optionally drying the substrate comprising the mixture disposed thereon; (iii) calcining the substrate obtained in (ii).