ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,227, issued on Aug. 26, was assigned to SYENSQO SA (Brussels).
"Polymer additive comprising zwitterionic moieties for vinylidene fluoridepolymer based membranes" was invented by Sophie Deroo (Lyons, France), Emanuele Di Nicolo (Gorla Minore, Italy), Guillaume Gody (Rueil-Malmaison, France), Marie-Pierre Labeau (Sevres, France), Bertrand Pavageau (Villenave d'Ornon, France), David James Wilson (Coye-La-Foret, France) and Hamza Chouirfa (Mihaud, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof...