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US07939055B2 Polymeric aromatic N-halo sulfonamides 有权
聚合芳香族N-卤代磺酰胺

Polymeric aromatic N-halo sulfonamides
Abstract:
A polymer comprises a monomer having a N-halo sulfonamide pendant group and having the formula: wherein A is a trivalent linkage; wherein Q is a divalent linkage and y is 0 or 1; wherein R1, R2, R3, and R4 are as described within; wherein X is halogen; and wherein M is an alkali or alkaline earth metal. In specific embodiments, R1, R2, R3, and R4 are hydrogen; X is chlorine; and M is sodium or potassium.
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