(19)
(11)
EP 4 823 721 A1
(12)
(43)
Date of publication:
21.10.2026
Bulletin 2026/43
(21)
Application number:
24829437.3
(22)
Date of filing:
13.12.2024
(51)
International Patent Classification (IPC):
B01D
67/00
(2006.01)
B01D
71/02
(2006.01)
B01D
53/22
(2006.01)
(52)
Cooperative Patent Classification (CPC):
B01D
67/0072
;
B01D
71/0211
;
B01D
71/0215
;
B01D
67/0062
;
B01D
67/009
;
B01D
71/027
;
B01D
53/228
(86)
International application number:
PCT/EP2024/086354
(87)
International publication number:
WO 2025/125628
(
19.06.2025
Gazette 2025/25)
(84)
Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN
(30)
Priority:
13.12.2023
EP 23216148
(71)
Applicant:
Universite De Fribourg
1700 Fribourg (CH)
(72)
Inventors:
ASHIROV, Timur
1700 Fribourg (CH)
COSKUN, Ali
1752 Villars-sur-Glâne (CH)
(74)
Representative:
ABREMA SA
Avenue du Théâtre 16
1005 Lausanne
1005 Lausanne (CH)
(54)
METHOD FOR TREATING A GRAPHENE MEMBRANE AND MEMBRANE OBTAINED BY THE METHOD