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:
Jun. 19, 2018
Filed:
Nov. 05, 2014
Basf SE, Ludwigshafen, DE;
Andrei-Nicolae Parvulescu, Ruppertsberg, DE;
Ulrich Müller, Neustadt, DE;
Joaquim H. Teles, Waldsee, DE;
Nicolas Vautravers, Mannheim, DE;
Georg Uhl, Kaiserslautern, DE;
Ive Hermans, Kloten, CH;
Patrick Wolf, Donnersdoft, DE;
Ceri Hammond, Pontardawe, GB;
BASF SE, , DE;
Abstract
A process for preparing a tin-containing zeolitic material having a BEA framework structure comprising providing a zeolitic material having a BEA framework structure having vacant tetrahedral framework sites, providing a tin-ion source in solid form, incorporating tin into the zeolitic material via solid-state ion exchange, calcining the zeolitic material, and treating the calcined zeolitic material with an aqueous solution having a pH of at most 5.