ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,301, issued on May 13, was assigned to Evonik Oxeno GmbH & Co. KG (Marl, Germany).
"Variable, self-regulating permeate recycling in organophilic nanofiltration" was invented by Thomas Quell (Antwerp, Belgium), Johannes Knossalla (Gahlen, Germany), Robert Franke (Marl, Germany), Stefan Drees (Dulmen, Germany), Frederik Gluth (Mulheim an der Ruhr, Germany), Marc Schapertons (Recklinghausen, Germany) and Fabian Hockelmann (Marl, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides an improvement in terms of control and process technology for a method of continuous removal of a component from a liquid mixture using a membrane un...