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, Gerfried , Robinson, Ivan Maxwell , Pechhold, 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
公开/授权文献
信息查询