Patent · US Active

Zwitterionic poly(sulfobetaine arylene ether sulfone) polymer synthesis route and applications for desalination membranes

US11920002B2 · kind B2 · utility

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19Claims
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Key dates

Filing dateNov 11, 2022
Grant dateMar 5, 2024
Priority date
Expiry dateNov 11, 2042

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/131
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A zwitterionic polysulfone formed from an allyl-containing monomer, a phenol-containing monomer, and an aryl-halide-containing monomer. The zwitterionic polysulfone may be incorporated into a desalination membrane.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.