发明名称 |
Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof |
摘要 |
Disclosed herein are azeotrope or near-azeotrope compositions comprising 2,3,3,3-tetrafluoropropene (HFC-1234yf) and hydrogen fluoride (HF). These compositions are useful in processes to produce and purify HFC-1234yf. Additionally, disclosed herein are processes for the manufacture of HFC-1234yf.
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申请公布号 |
US7476771(B2) |
申请公布日期 |
2009.01.13 |
申请号 |
US20060590454 |
申请日期 |
2006.10.31 |
申请人 |
E.I. DU PONT DE NEMOURS + COMPANY |
发明人 |
MILLER RALPH NEWTON;NAPPA MARIO JOSEPH;RAO VELLIYUR NOTT MALLIKARJUNA;SIEVERT ALLEN CAPRON |
分类号 |
C07C17/38;C07C17/00 |
主分类号 |
C07C17/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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