ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,768, issued on May 6, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Device for carrying out material exchange processes" was invented by Bernd Metzen (Ludwigshafen am Rhein, Germany), Christian Kunkelmann (Ludwigshafen am Rhein, Germany), Ortmund Lang (Ludwigshafen am Rhein, Germany), Marvin Kramp (Ludwigshafen am Rhein, Germany) and Claus Hechler (Ludwigshafen am Rhein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an apparatus for carrying out mass transfer processes, comprising a column having at least two inlet pipes for introducing a gaseous phase, where separation-active internals are accommodated...