Number | Date | Country | Kind |
---|---|---|---|
553861 | Dec 1987 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
4744807 | Minhas et al. | May 1988 | |
4772440 | Kasi et al. | Sep 1988 |
Entry |
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Xie-Quing, XV, "Additives for the Preparation of Polysulfone-based Ultrafiltration Membranes, especially for Hemodialysis and Hemo-Osmometer" in Desalination, 48(1983), 79-84, Elsevier Science Publishers B.V., Amsterdam. |