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经营范围
发明名称
Production of aromatic polyimide membranes
摘要
申请公布号
US4983191(A)
申请公布日期
1991.01.08
申请号
US19890418835
申请日期
1989.10.10
申请人
E. I. DU PONT DE NEMOURS AND COMPANY;L'AIR LIQUIDE S.A.
发明人
EKINER, OKAN M.;HAYES, RICHARD A.
分类号
B01D67/00;B01D71/64;C08L63/00;C08L79/08
主分类号
B01D67/00
代理机构
代理人
主权项
地址
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