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Process for producing purified polyether sulfones

  • US 20030004302A1
  • Filed: 05/13/2002
  • Published: 01/02/2003
  • Est. Priority Date: 05/15/2001
  • Status: Abandoned Application
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1. A process for producing a purified polyether sulfone which comprises bringing a solution of a crude polyether sulfone in an organic solvent in contact with an adsorbent.

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