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:
Jul. 08, 2014
Filed:
Mar. 11, 2010
Christof Wilhelm Wigbers, Mannheim, DE;
Martin Ernst, Heidelberg, DE;
Laszlo Szarvas, Ludwigshafen, DE;
Giovanni D'andola, Heidelberg, DE;
Ellen Dahlhoff, Limburgerhof, DE;
Gabriele Iffland, Heidelberg, DE;
Peter Raatz, Ludwigshafen, DE;
Falk Simon, Bensheim, DE;
Matthias Frauenkron, Freinsheim, DE;
Christof Wilhelm Wigbers, Mannheim, DE;
Martin Ernst, Heidelberg, DE;
Laszlo Szarvas, Ludwigshafen, DE;
Giovanni D'Andola, Heidelberg, DE;
Ellen Dahlhoff, Limburgerhof, DE;
Gabriele Iffland, Heidelberg, DE;
Peter Raatz, Ludwigshafen, DE;
Falk Simon, Bensheim, DE;
Matthias Frauenkron, Freinsheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing 1-adamantyltrimethylammonium hydroxide, by A) reacting 1-adamantyldimethylamine with dimethyl sulfate to give 1-adamantyltrimethylammonium sulfate; and B) subjecting the 1-adamantyltrimethylammonium sulfate obtained in A) to anion exchange with an ion exchanger loaded with OH ions.