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:
Mar. 05, 2019
Filed:
Jul. 27, 2015
Basf SE, Ludwigshafen, DE;
Jean-Pierre Berkan Lindner, Mannheim, DE;
Rupert Konradi, Ladenburg, DE;
Till Gruendling, Mannheim, DE;
Sunghee Son, Mannheim, DE;
Sebastian Koltzenburg, Neustadt, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A process for preparing polymeric, ionic compounds comprising imidazolium groups (polymeric, ionic imidazolium compounds for short) comprising reacting—an α-dicarbonyl compound,—an aldehyde,—at least one amino compound having at least two primary amino groups (referred to as oligoamine),—if appropriate an amino compound having only one primary amino group (referred to as monoamine) and a—protic acid, wherein the molar ratio of the α-dicarbonyl compound to the oligoamine is greater than 1.