Number | Date | Country | Kind |
---|---|---|---|
60-297550 | Dec 1985 | JPX | |
61-272542 | Nov 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4217898 | Theeuwes | Aug 1980 | |
4359483 | Kaetsu | Nov 1982 | |
4439196 | Higuchi | Mar 1984 | |
4559054 | Bruck | Dec 1985 | |
4564364 | Zaffaroni et al. | Jan 1986 | |
4627850 | Deters et al. | Dec 1986 | |
4663147 | DePrince | May 1987 |
Number | Date | Country |
---|---|---|
0062391 | Oct 1982 | EPX |
0138216 | Apr 1985 | EPX |
2100858 | Mar 1972 | FRX |
120618 | Sep 1981 | JPX |
57-126415 | Aug 1982 | JPX |
13466092 | Feb 1974 | GBX |
Entry |
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Langer, Journal of Membrane Science, 7, 333-350, 1980. |