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. 15, 2019
Filed:
Oct. 09, 2013
Basf SE, Ludwigshafen, DE;
Andrei-Nicolae Parvulescu, Ruppertsberg, DE;
Jeff Yang, Mannheim, DE;
Stefan Maurer, Ludwigshafen, DE;
Manuela Gaab, Heidelberg, DE;
Karsten Seidel, Mannheim, DE;
Olga Gerlach, Ludwigshafen, DE;
Ulrich Mueller, Neustadt, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A process for the post-treatment of a zeolitic material having a BEA framework structure, the process comprising (i) providing a zeolitic material having a BEA framework structure, wherein the framework structure of the zeolitic material comprises XOand YO, wherein Y is a tetravalent element and X is a trivalent element and wherein the molar ratio XO:YOis greater than 0.02:1; (ii) treating the zeolitic material provided in (i) with a liquid solvent system thereby obtaining a zeolitic material having a molar ratio XO:YOof at most 0.02:1, and at least partially separating the zeolitic material from the liquid solvent system; (iii) treating the zeolitic material obtained from (ii) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75° C.