Invention Grant
- Patent Title: Process for the obtention of purified heptafluoropropane
- Patent Title (中): 获得纯化七氟丙烷的方法
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Application No.: US11782341Application Date: 2007-07-24
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Publication No.: US07459591B2Publication Date: 2008-12-02
- Inventor: Thomas Müller , Dominique Balthasart , Bernd Kutzner
- Applicant: Thomas Müller , Dominique Balthasart , Bernd Kutzner
- Applicant Address: BE Brussels
- Assignee: Solvay S.A.
- Current Assignee: Solvay S.A.
- Current Assignee Address: BE Brussels
- Agency: Connolly Bove Lodge & Hutz LLP
- Priority: EP01203374 20010907
- Main IPC: C07C17/10
- IPC: C07C17/10 ; C07C17/38
Abstract:
Process for the obtention of HFC-227ea having a reduced content of organic impurities, comprising at least subjecting a crude HFC-227ea to two distillation steps at different pressures.
Public/Granted literature
- US20080021250A1 PROCESS FOR THE OBTENTION OF PURIFIED HEPTAFLUOROPROPANE Public/Granted day:2008-01-24
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