ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,682, issued on Jan. 13, was assigned to Thermo Fisher Bioprocessing Inc. (Waltham, Mass.).
"Ultrasonically surface modified polyethersulfone members and method of making thereof" was invented by Mathias Stroschke (Sprockhovel, Germany) and Stefan Weuster (Remscheid, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for treating the surface of a microporous polymeric membrane, comprising immersing a microporous polymeric membrane in a liquid; and applying ultrasonic waves to the microporous polymeric membrane immersed in the liquid."
The patent was filed on Dec. 14, 2020, under Application No. 17/785,337...