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:
Jan. 11, 2022
Filed:
May. 23, 2019
Basf SE, Ludwigshafen am Rhein, DE;
Andrei-Nicolae Parvulescu, Ludwigshafen, DE;
Robert McGuire, Florham Park, NJ (US);
Ulrich Mueller, Ludwigshafen, DE;
Weiping Zhang, Dalian, CN;
Xiangju Meng, Hangzhou, CN;
Feng-Shou Xiao, Hangzhou, CN;
Toshiyuki Yokoi, Tokyo, JP;
Hermann Gies, Bochum, DE;
Bernd Marler, Bochum, DE;
Ute Kolb, Mainz, DE;
Dirk De Vos, Leuven, BE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a rare earth element containing zeolitic material having a framework structure selected from the group consisting of AEI, AFT, AFV, AFX, AVL, CHA, EMT, GME, KFI, LEV, LTN, and SFW, including mixtures of two or more thereof, the framework structure of the zeolitic material comprising SiOand XO, wherein X stands for a trivalent element, wherein the zeolitic material displays an SiO:XO molar ratio in the range of from 2 to 20, and wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure. Furthermore, the present invention relates to a process for the production of the inventive rare earth element containing zeolitic material as well as to the use of the inventive rare earth element containing zeolitic material.