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1234YF- and 1234ZE-based polymeric membrane materials, membrane preparations and uses thereof

  • US 9,782,730 B2
  • Filed: 04/29/2014
  • Issued: 10/10/2017
  • Est. Priority Date: 05/14/2013
  • Status: Active Grant
First Claim
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1. A membrane consisting of a copolymer having units based on vinylidene fluoride (“

  • VDF”

    ) monomer and more than 30 wt % of units based on trans-1,3,3,3-tetrafluoropropene monomer.

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