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Azeotropic or quasi-azeotropic composition of chloromethane

  • US 9,969,918 B2
  • Filed: 04/07/2017
  • Issued: 05/15/2018
  • Est. Priority Date: 12/26/2012
  • Status: Active Grant
First Claim
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1. An azeotropic or quasi-azeotropic composition comprising:

  • 5 to 20 mol % of chloromethane,20 to 45 mol % of HF, and35 to 70 mol % of 2,3,3,3-tetrafluoropropene.

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