Invention Grant
- Patent Title: Process for the preparation of hexachlorodisilane by cleavage of higher polychlorosilanes such as octachlorotrisilane
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Application No.: US14782433Application Date: 2014-02-28
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Publication No.: US09758383B2Publication Date: 2017-09-12
- Inventor: Juergen Erwin Lang , Hartwig Rauleder , Ekkehard Mueh
- Applicant: Juergen Erwin Lang , Hartwig Rauleder , Ekkehard Mueh
- Applicant Address: DE Essen
- Assignee: Evonik Degussa GmbH
- Current Assignee: Evonik Degussa GmbH
- Current Assignee Address: DE Essen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102013207441 20130424
- International Application: PCT/EP2014/053916 WO 20140228
- International Announcement: WO2014/173566 WO 20141030
- Main IPC: C01B33/107
- IPC: C01B33/107 ; B01J19/08
Abstract:
The invention relates to a process for converting polychlorosilanes into hexachlorodisilane, by one or more trimeric polychlorosilanes or a trimeric polychlorosilane in a mixture with higher molecular weight polychlorosilanes being exposed to a gas discharge and hexachlorodisilane being formed and isolated.
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