发明名称 |
ASYMMETRIC SEMIPERMEABLE MEMBRANES OF AROMATIC POLYCONDENSATES, PROCESSES FOR THEIR PREPARATION AND THEIR USE |
摘要 |
Asymmetric semipermeable membranes which consist of aromatic polycondensates having recurring units of the formula (-O-Z-O-Y-)n (I) in which Y is the divalent radical of an aromatic sulphone or of an aromatic ketone and -O-Z-O-is a divalent diphenolate radical which consists to the extent of 0.1-100 mol % of all the diphenolate radicals of those of the formula <IMAGE> (V) with the meaning given in the description, are suitable for haemodialysis, haemodiafiltration, haemofiltration, ultrafiltration, microfiltration and reverse osmosis.
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申请公布号 |
US5238570(A) |
申请公布日期 |
1993.08.24 |
申请号 |
US19920964171 |
申请日期 |
1992.10.21 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HUGL, HERBERT;DHEIN, ROLF;DUJARDIN, RALF;HILDENBRAND, KARLHEINZ;REUTER, KNUD |
分类号 |
A61M1/16;A61M1/34;B01D71/44;B01D71/52;B01D71/68;C08G65/40;C08G75/00;C08G75/23;C08L71/10 |
主分类号 |
A61M1/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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