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. 12, 2012
Filed:
May. 21, 2007
Armin Diefenbacher, Freisbach, DE;
Hartwig Voss, Frankenthal, DE;
Gunter Schuch, Ludwigshafen, DE;
Manfred Noack, Berlin, DE;
Ingolf Voigt, Jena, DE;
Hannes Richter, Hermsdorf, DE;
Juergen Caro, Berlin, DE;
Armin Diefenbacher, Freisbach, DE;
Hartwig Voss, Frankenthal, DE;
Gunter Schuch, Ludwigshafen, DE;
Manfred Noack, Berlin, DE;
Ingolf Voigt, Jena, DE;
Hannes Richter, Hermsdorf, DE;
Juergen Caro, Berlin, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A process for the production of a composite membrane, one or more microporous separation layers comprising a zeolite of the MFI type being produced by hydrothermal synthesis on a porous substrate, wherein one or more additives from the group consisting of linear (C-C)-alcohols, ammonia, primary, secondary and tertiary amines having in each case (C-C)-alkyl radicals, (C-C)-aminoalcohols and (C-C)-ketones are added to the synthesis solution for the hydrothermal synthesis.