Patent ID: 11970590
Assignee: SIMON FRASER UNIVERSITY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  H  Y | IPC B  C  H

Claim 3:
4. The polymer of claim 1, wherein R1A, R1B, R1C, R1D, R1E, and R1F are independently aryl optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl, halo, and SO3−X+, wherein X+ is H+ or a cation, provided that at least two of R1A, R1B, R1C, R1D, R1E, and R1F are independently aryl substituted with 1, 2, 3, 4, or 5 SO3−X+.