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:
Aug. 14, 2018
Filed:
Feb. 05, 2014
Basf SE, Ludwigshafen, DE;
Andrei-Nicolae Parvulescu, Heidelberg, DE;
Ulrich Mueller, Neustadt, DE;
Hans-Juergen Luetzel, Boehl-Iggelheim, DE;
Georg Uhl, Kaiserslautern, DE;
Robert Bayer, Sinsheim, DE;
Regina Vogelsang, Ludwigshafen, DE;
Robert Schlosser, Schifferstadt, DE;
Franky Ruslim, Mannheim, DE;
Pawel Czajka, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A process for preparing an aluminum-free boron containing zeolitic material comprising the framework structure MWW (BMWW), comprising (a) hydrothermally synthesizing the BMWW from a synthesis mixture containing water, a silicon source, a boron source, and an MWW template compound obtaining the BMWW in its mother liquor, the mother liquor having a pH above 9; (b) adjusting the pH of the mother liquor, obtained in (a) and containing the BMWW, to a value in the range of from 6 to 9; (c) separating the BMWW from the pH-adjusted mother liquor obtained in (b) by filtration in a filtration device.