- 专利标题: Ternary azeotropic or quasi-azeotropic composition comprising HF, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane
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申请号: US16965638申请日: 2019-02-01
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公开(公告)号: US11001546B2公开(公告)日: 2021-05-11
- 发明人: Dominique Deur-Bert , Laurent Wendlinger , Béatrice Berger
- 申请人: Arkema France
- 申请人地址: FR Colombes
- 专利权人: Arkema France
- 当前专利权人: Arkema France
- 当前专利权人地址: FR Colombes
- 代理机构: Buchanan Ingersoll & Rooney P.C.
- 优先权: FR1850925 20180205
- 国际申请: PCT/FR2019/050229 WO 20190201
- 国际公布: WO2019/150052 WO 20190808
- 主分类号: C07C21/18
- IPC分类号: C07C21/18 ; C07C17/383
摘要:
The present invention relates to an azeotropic or quasi-azeotropic composition comprising hydrogen fluoride, 2,3,3,3-tetrafluoropropene and 1,1,1,2,2-pentafluoropropane, characterized in that said composition has a boiling point above 40° C.
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