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:
Sep. 12, 2023
Filed:
Jan. 28, 2019
Basf SE, Ludwigshafen am Rhein, DE;
Christian Gruenanger, Ludwigshafen am Rhein, DE;
Gabriele Iffland, Ludwigshafen am Rhein, DE;
Zeljko Kotanjac, Ludwigshafen am Rhein, DE;
Hermann Luyken, Ludwigshafen am Rhein, DE;
Thomas Krug, Ludwigshafen am Rhein, DE;
Jian Zhong Yi, Ludwigshafen am Rhein, DE;
Johann-Peter Melder, Ludwigshafen am Rhein, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
A process for continuous production of C-C-monoalkanolamines by reaction of a corresponding C-C-alkylene oxide with a molar excess of ammonia (NH), wherein aqueous ammonia is employed, in the liquid phase and in the presence of an acidic cation exchanger as catalyst which contains a crosslinked copolymer comprising acidic functional groups as the carrier matrix, wherein the cation exchanger has a total exchange capacity of not less than 1.8 eq/L.