US Patent Issued to BL TECHNOLOGIES on Sept. 30 for "Alkali-stable nanofiltration composite membrane and method of manufacture thereof" (German Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,486, issued on Sept. 30, was assigned to BL TECHNOLOGIES INC. (Minnetonka, Minn.).

"Alkali-stable nanofiltration composite membrane and method of manufacture thereof" was invented by Zedda Karina (Leipzig, Germany), Carsten Schellenberg (Leipzig, Germany) and Judith Richter (Muldestausee, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention relate to a nanofiltration composite membrane for use to purify water, the methods for preparing said nanofiltration composite membranes and to the nanofiltration composite membranes prepared accordingly."

The patent was filed on June 24, 2019, under Application No. 17/253...