发明名称 |
METHOD FOR PURIFYING TETRAFLUOROPROPENE |
摘要 |
To provide a method for efficiently separating 2,3,3,3-tetrafluoropropene (HFO-1234yf) and chloromethane (R40) from a composition containing HFO-1234yf and R40. A method for separating HFO-1234yf containing substantially no R40, which comprises bringing an azeotropic composition or azeotrope-like composition of HFO-1234yf and R40 into contact with a specific extraction solvent. |
申请公布号 |
EP2939994(A4) |
申请公布日期 |
2016.08.03 |
申请号 |
EP20130866573 |
申请日期 |
2013.11.21 |
申请人 |
ASAHI GLASS COMPANY, LIMITED |
发明人 |
FURUTA, SHOJI;OTSUKA, TETSUO |
分类号 |
C07C17/386;C07C21/18 |
主分类号 |
C07C17/386 |
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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