发明授权
- 专利标题: Method for producing tetrahydrofuran copolymers
- 专利标题(中): 生产四氢呋喃共聚物的方法
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申请号: US10551137申请日: 2004-03-30
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公开(公告)号: US07361793B2公开(公告)日: 2008-04-22
- 发明人: Martin Haubner , Rolf Pinkos
- 申请人: Martin Haubner , Rolf Pinkos
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Connolly Bove Lodge and Hutz
- 优先权: DE10314648 20030401
- 国际申请: PCT/EP2004/003336 WO 20040330
- 国际公布: WO2004/087786 WO 20041014
- 主分类号: C07C43/00
- IPC分类号: C07C43/00
摘要:
The present invention relates to a process for the single-stage preparation of polyoxyalkylene glycols by copolymerization of THF and alpha, omega-diols in the presence of a heteropolyacid, wherein the content of organically bound nitrogen in the alpha, omega-diol is less than 15 ppm.
公开/授权文献
- US20060258837A1 Method of producing tetrahydrofuran copolymers 公开/授权日:2006-11-16
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