发明名称 |
A HIGH PURITY 2,3,3,3-TETRAFLUOROPROPENE |
摘要 |
The present invention discloses a manufacturing process to produce high purity 1234yf from 245eb, which includes the removal of impurities present in 245eb raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. The disclosed manufacturing process allows one to lower the levels of undesired 1225ye and trifluoropropyne in the final 1234yf product below 500, and 50 ppm, respectively. |
申请公布号 |
EP3147273(A1) |
申请公布日期 |
2017.03.29 |
申请号 |
EP20160180737 |
申请日期 |
2009.07.31 |
申请人 |
Honeywell International Inc. |
发明人 |
WANG, Haiyou;TUNG, Hsueh Sung;SINGH, Rajiv R.;SHANKLAND, Ian |
分类号 |
C07C17/25;C07C21/18 |
主分类号 |
C07C17/25 |
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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