Invention Application
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
- Patent Title: SYNTHESIS OF 1234YF BY SELECTIVE DEHYDROCHLORINATION OF 244BB
- Patent Title (中): 通过244BB的选择性脱氢合成合成1234YF
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Application No.: US13172987Application Date: 2011-06-30
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Publication No.: US20120172638A1Publication Date: 2012-07-05
- Inventor: Mario Joseph Nappa , Robert D. Lousenberg , Andrew Jackson
- Applicant: Mario Joseph Nappa , Robert D. Lousenberg , Andrew Jackson
- Applicant Address: US DE Wilmington
- Assignee: E. I. DUPONT DE NEMOURS AND COMPANY
- Current Assignee: E. I. DUPONT DE NEMOURS AND COMPANY
- Current Assignee Address: US DE Wilmington
- Main IPC: C07C17/23
- IPC: C07C17/23 ; C07C21/18
Abstract:
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.
Public/Granted literature
- US08263817B2 Synthesis of 1234YF by selective dehydrochlorination of 244BB Public/Granted day:2012-09-11
Information query
