Invention Grant
- Patent Title: Process for the obtention of purified heptafluoropropane
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Application No.: US12325539Application Date: 2008-12-01
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Publication No.: US07872162B2Publication Date: 2011-01-18
- 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: C07C17/38
- IPC: C07C17/38 ; C07C17/10
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
- US20090090885A1 PROCESS FOR THE OBTENTION OF PURIFIED HEPTAFLUOROPROPANE Public/Granted day:2009-04-09
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