发明申请
US20120172638A1 SYNTHESIS OF 1234YF BY SELECTIVE DEHYDROCHLORINATION OF 244BB
有权
通过244BB的选择性脱氢合成合成1234YF
- 专利标题： SYNTHESIS OF 1234YF BY SELECTIVE DEHYDROCHLORINATION OF 244BB
- 专利标题（中）： 通过244BB的选择性脱氢合成合成1234YF
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申请号： US13172987申请日： 2011-06-30
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公开(公告)号： US20120172638A1公开(公告)日： 2012-07-05
- 发明人: Mario Joseph Nappa , Robert D. Lousenberg , Andrew Jackson
- 申请人： Mario Joseph Nappa , Robert D. Lousenberg , Andrew Jackson
- 申请人地址： US DE Wilmington
- 专利权人： E. I. DUPONT DE NEMOURS AND COMPANY
- 当前专利权人： E. I. DUPONT DE NEMOURS AND COMPANY
- 当前专利权人地址： US DE Wilmington
- 主分类号： C07C17/23
- IPC分类号： C07C17/23 ; C07C21/18
摘要：
Disclosed is a process for the manufacture of 2,3,3,3-tetrafluoropropene comprising: (a) contacting 1,1,1,2,tetrafluoro-2-chloropropane with a catalyst comprised of chromium (III) oxide, and at least 1% of an alkali metal, to produce a product mixture comprising 2,3,3,3-tetrafluoropropene; and (b) recovering said 2,3,3,3-tetrafluoropropene from the product mixture produced in step (a) above.
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