ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,133, issued on March 17, was assigned to CHROMAFORA AB (Hagersten, Sweden).
"Process for removal of PFAS from water" was invented by Martin Kullberg (Liden, Sweden), Karin Lofstrand (Saltsjo-Boo, Sweden) and Gaston Laven (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for removing PFAS from a PFAS-containing aqueous phase, comprising adding to said aqueous phase a surfactant composition comprising at least one cationic surfactant, to allow the surfactant to form micelles in said aqueous phase, and bringing said micelle-containing aqueous phase in contact with an ultrafiltration membrane under pressure, to obtain a permeate flow a...