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:
May. 07, 2019
Filed:
Aug. 20, 2015
Basf SE, Ludwigshafen, DE;
Thomas Ingram, Mannheim, DE;
Ralf Notz, Ludwigshafen, DE;
Gerald Vorberg, Speyer, DE;
Georg Sieder, Bad Duerkheim, DE;
Gustavo Adolfo Lozano Martinez, Ludwigshafen, DE;
Hugo Rafael Garcia Andarcia, Shanghai, CN;
BASF SE, Ludwigshafen, DE;
Abstract
An absorbent for removing carbon dioxide from a fluid stream, comprising an aqueous solution a) of an amine of the general formula (I) in which R, Rand Rare each independently selected from C-alkyl and C-hydroxyalkyl; each Ris independently selected from hydrogen, Calkyl and C-hydroxyalkyl; each Ris independently selected from hydrogen, C-alkyl and C-hydroxyalkyl; X is OH or NH(CRRR); m is 2, 3, 4 or 5; n is 2, 3, 4 or 5; and o is 0 or 1; and b) at least one activator selected from b1) a sterically unhindered primary amine and/or a sterically unhindered secondary amine; and a carboanhydrase. The absorbent allows rapid absorption of carbon dioxide from fluid streams.