ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,927, issued on Nov. 4, was assigned to MEMBION GMBH (Roetgen, Germany).
"Hollow fiber membrane and method for closing the same" was invented by Dirk Volmering (Aachen, Germany) and Klaus Vossenkaul (Aachen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for closing one side of a hollow fiber membrane including a lumen and a wall radially enveloping the lumen, wherein the wall includes an inner textile layer, wherein a portion of a low viscosity resin flows at least partially through a face of the hollow fiber membrane into an end portion of the hollow fiber membrane and closes the end portion with an outer free surface and is being c...