Invention Grant
- Patent Title: Azeotrope compositions comprising nonafluoropentene and hydrogen fluoride and uses thereof
- Patent Title (中): 包含九氟戊烯和氟化氢的共沸组合物及其用途
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Application No.: US11590457Application Date: 2006-10-31
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Publication No.: US07709438B2Publication Date: 2010-05-04
- Inventor: Ralph Newton Miller , Mario Joseph Nappa , Velliyur Nott Mallikarjuna Rao , Allen Capron Sievert
- Applicant: Ralph Newton Miller , Mario Joseph Nappa , Velliyur Nott Mallikarjuna Rao , Allen Capron Sievert
- Applicant Address: US DE Wilmington
- Assignee: E. I. du Pont de Nemours and Company
- Current Assignee: E. I. du Pont de Nemours and Company
- Current Assignee Address: US DE Wilmington
- Main IPC: C11D7/50
- IPC: C11D7/50
Abstract:
Disclosed herein are azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride. The azeotrope compositions are useful in processes to produce and in processes to purify 1,2,3,3,3-pentafluoropropene. Additionally, disclosed herein are azeotrope and near-azeotrope compositions comprising 1,1,1,2,3,4,4,5,5,5-decafluoropentane and hydrogen fluoride.
Public/Granted literature
- US20070099811A1 Azeotrope compositions comprising nonafluoropentene and hydrogen fluoride and uses thereof Public/Granted day:2007-05-03
Information query
