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US 12,116,444 B2Granted
Polymeric anion-conducting membrane
AssigneeEvonik Operations GmbH
InventorsOliver Conradi, Artjom Maljusch, Harald Rögl
Life of this patent
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Abstract
The present invention provides compounds, especially polymeric compounds, having at least one imidazole and/or imidazolium structural unit, a process for preparation thereof and for the use thereof.
Claims17
A compound containing a unit of the formula (Ia) or (Ib)
- wherein R1, R2, R3 and R4 are the same or different and are —H or any desired group,
- R5 and R11 are the same or different and are an alkyl or perfluoroalkyl radical,
- R6 and R10 are the same or different and are an oligomer or polymer radical, wherein at least one of the R6 or R10 radicals is an oligomer or polymer radical attached via an oxygen atom to the ring carbon atom, and
- R7, R8 and R9 are the same or different and are —H or any desired group.
1 more element
Dependencies are inferred from the claim text.