Invention Patent
AT202374T
未知
- Patent Title:
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Application No.: AT98951309Application Date: 1998-08-21
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Publication No.: AT202374TPublication Date: 2001-07-15
- Inventor: ELLER KARSTEN , HESSE MICHAEL , BECKER RAINER , HOEHN ARTHUR , RUETTER HEINZ
- Applicant: BASF AG
- Assignee: BASF AG
- Current Assignee: BASF AG
- Priority: DE19738863 1997-09-05; DE19801419 1998-01-16
- Main IPC: B01J21/16
- IPC: B01J21/16 ; C08G65/10 ; C08G65/20 ; C08G65/26
Abstract:
A process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers or diesters or monoesters of these polymers comprises polymerizing tetrahydrofuran in the presence of at least one telogen and/or comonomer over a heterogeneous catalyst comprising hectorite.
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