Invention Grant
- Patent Title: Process for the preparation of polyether glycols
- Patent Title (中): 制备聚乙二醇的方法
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Application No.: US603519Application Date: 1990-10-26
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Publication No.: US5099074APublication Date: 1992-03-24
- Inventor: Herbert Mueller , Gerhard Jeschek , Rolf Fischer , Hans-Juergen Weyer
- Applicant: Herbert Mueller , Gerhard Jeschek , Rolf Fischer , Hans-Juergen Weyer
- Applicant Address: DEX Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DEX Ludwigshafen
- Priority: DEX3937797 19891114
- Main IPC: C08G65/16
- IPC: C08G65/16 ; C08G65/20
Abstract:
A process for the preparation of polyether glycols by polymerization of tetrahydrofuran or copolymerization of tetrahydrofuran with oxiranes in the presence of from 20 to 500% w/w of a hydrocarbon, based on the weight of tetrahydrofuran used.
Public/Granted literature
- US5709290A Monotube damper valve Public/Granted day:1998-01-20
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