Patent ID: 11891468
Assignee: DIOXYCLE
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. The membrane according to claim 1, wherein the first repeat units are of formula (I), wherein formula (I) is defined as:, wherein:
R1 is selected from the group consisting of: hydrogen; C1-20 alkyl, optionally substituted; heterocyclyl, optionally substituted; aryl, optionally substituted; heteroaryl, optionally substituted; and cyano;
R2 is selected from the group consisting of: hydrogen; C1-20 alkyl, optionally substituted; heterocyclyl, optionally substituted; aryl, optionally substituted; a heteroaryl, optionally substituted; and cyano;
R3 is a C1-20 alkylene, optionally substituted; and
R4 is a quaternary ammonium.