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. 18, 2020
Filed:
Jun. 15, 2012
Julio A. Abusleme, Saronno, IT;
Anna Maria Bertasa, Cesate, IT;
Regis Faig, Baverans, FR;
Marco Miele, Cisliano, IT;
Stefano Mortara, Arconate, IT;
Julio A. Abusleme, Saronno, IT;
Anna Maria Bertasa, Cesate, IT;
Regis Faig, Baverans, FR;
Marco Miele, Cisliano, IT;
Stefano Mortara, Arconate, IT;
SOLVAY SPECIALTY POLYMER ITALY S.P.A., Bollate (MI), IT;
Abstract
The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (F)] comprising: —at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one (meth)acrylic monomer (MA) having formula (I) wherein: —R, Rand R, equal to or different from each other, are independently selected from a hydrogen atom and a C-Chydrocarbon group, and —Ris a hydrogen atom or a C-Chydrocarbon moiety comprising at least one functional group selected from a hydroxyl, a carboxyl, an epoxide, an ester and an ether group, and —at least one poly(alkylene oxide) (PAO); (ii) processing said composition (F) to provide a film; (iii) treating the film so obtained with an aqueous composition to provide said porous membrane. The present invention also relates to films and compositions used in said process, to porous membranes obtained from said process and to use of said porous membranes as separators in Lithium-ion batteries, as filtration membranes or in biomedical applications.