Asymmetric semipermeable membranes of aromatic...

Details Asymmetric semipermeable membranes of aromatic... Asymmetric semipermeable membranes of aromatic...

B - Operations, Transporting

01

D

B01D 69/02 (2006.01) A61M 1/22 (2006.01) B01D 61/02 (2006.01) B01D 61/14 (2006.01) B01D 71/52 (2006.01) B01D 71/68 (2006.01) C08G 65/40 (2006.01) C08G 75/23 (2006.01)

Patent

CA 2081587

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 see Formula V with the meaning given in the description, are suitable for haemodialysis, haemodiafiltration, haemofiltration, ultrafiltration, microfiltration and reverse osmosis.

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