Number | Date | Country | Kind |
---|---|---|---|
3446695 | Dec 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2827428 | Noble | Mar 1958 | |
2848403 | Rosenberg | Aug 1958 | |
2860091 | Rosenberg | Nov 1958 | |
3136710 | Duboy | Jun 1964 | |
3383245 | Scallet et al. | May 1968 | |
3437580 | Arrance et al. | Apr 1969 | |
3525682 | McRae et al. | Aug 1970 | |
3718560 | Sugiyama et al. | Feb 1973 | |
4608141 | Chlanda et al. | Aug 1986 | |
4613416 | Kau et al. | Sep 1986 |
Number | Date | Country |
---|---|---|
597825 | May 1960 | CAX |
Entry |
---|
Chemistry & Industry, (Jan. 4, 1958), pp. 8-12. |
D. S. Flett, Ion Exchange Membranes, Ellis Horwood, Chinchester 1983, pp. 179-191. |