The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2025
Filed:
Dec. 15, 2020
Syensqo SA, Brussels, BE;
Sophie Deroo, Lyons, FR;
Emanuele Di Nicolo, Gorla Minore, IT;
Guillaume Gody, Rueil-Malmaison, FR;
Marie-Pierre Labeau, Sévres, FR;
Bertrand Pavageau, Villenave d'Ornon, FR;
David James Wilson, Coye-La-Foret, FR;
Hamza Chouirfa, Mihaud, FR;
SYENSQO SA, Brussels, BE;
Abstract
The present invention pertains to composition suitable for manufacturing membranes based on vinylidene fluoride (VDF) polymers, to porous membranes thereof, to methods for their manufacture and to uses thereof, especially for the filtration of water phases. Said composition comprising vinylidene fluoride (VDF) polymers and polymer additives comprising zwitterionic moieties delivers outstanding hydrophilization performances of manufactured membranes.