ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,267, issued on Aug. 26, was assigned to EVONIK OPERATIONS GMBH (Essen, Germany).
"Composite body and use thereof in organophilic nanofiltration" was invented by Christian Hying (Rhede, Germany), Oliver Conradi (Dusseldorf, Germany), Dirk Poppe (Gelsenkirchen, Germany), David Grzenia (Recklinghausen, Germany) and Kira Khaletskaya (Neuburg an der Donau, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite body comprising a porous layer (1) made from oxide particles connected to one another and partially to a substrate, containing at least one oxide of the elements Al, Zr, Ti or Si, and comprising a further porous layer (2) at least on on...