Number | Date | Country | Kind |
---|---|---|---|
3-342554 | Dec 1991 | JPX | |
4-167124 | Jun 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3275575 | Fogle | Aug 1966 | |
3341366 | Hodgdon et al. | Aug 1967 | |
3392096 | Lawton et al. | Jul 1968 | |
4537840 | Tsukui et al. | Aug 1985 | |
4710278 | Polak | Dec 1987 | |
5211984 | Wilson | May 1993 |
Entry |
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Takeo Ozawa et al., "Fuel Cell and Application Thereof", published by Ohm sha Led., pp. 66-67 (1981). |
Kiyoshi Koyama et al., "An Interpolymer Anionic Composite Reverse Osmosis Membrane Derived from Poly(vinyl Alcohol) and Poly(styrene . . . " J. App. Polymer Science, vol. 27, pp. 2783-2789, (1982). |