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Macromolecular polymer and production method thereof

  • US 10,640,612 B2
  • Filed: 01/30/2018
  • Issued: 05/05/2020
  • Est. Priority Date: 06/06/2017
  • Status: Active Grant
First Claim
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1. A macro-molecular polymer comprising disulfonate-difluorobenzophenone, hydroxyindole and difluorobenzophenone as monomers, wherein sulfonate groups of the disulfonate-difluorobenzophenone introduces metal cations.

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