发明授权
EP0004356B1 Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content, processes for preparing the same, and articles and fibers of the polyurethanes 失效
制备具有低低聚度循环内容物的四氢呋喃 - 亚烷基氧化物聚合物的聚氨酯,其制备方法,以及聚氨酯的制品和纤维

  • 专利标题: Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content, processes for preparing the same, and articles and fibers of the polyurethanes
  • 专利标题(中): 制备具有低低聚度循环内容物的四氢呋喃 - 亚烷基氧化物聚合物的聚氨酯,其制备方法,以及聚氨酯的制品和纤维
  • 申请号: EP79100809.7
    申请日: 1979-03-16
  • 公开(公告)号: EP0004356B1
    公开(公告)日: 1982-12-15
  • 发明人: Pruckmayr, GerfriedRobinson, Ivan MaxwellPechhold, Engelbert
  • 申请人: E.I. DU PONT DE NEMOURS AND COMPANY
  • 申请人地址: 1007 Market Street Wilmington Delaware 19898 US
  • 专利权人: E.I. DU PONT DE NEMOURS AND COMPANY
  • 当前专利权人: E.I. DU PONT DE NEMOURS AND COMPANY
  • 当前专利权人地址: 1007 Market Street Wilmington Delaware 19898 US
  • 代理机构: Abitz, Walter, Dr.-Ing.
  • 优先权: US887332 19780316; US887333 19780316; US915190 19780613; US915191 19780613; US962311 19781127; US966602 19781211; US967082 19781212; US970733 19781221
  • 主分类号: C08G18/48
  • IPC分类号: C08G18/48 C08G65/30 D01F6/70
Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content, processes for preparing the same, and articles and fibers of the polyurethanes
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