Number | Date | Country | Kind |
---|---|---|---|
3-163719 | Jun 1991 | JPX | |
3-198651 | Jul 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4476025 | Chum et al. | Oct 1984 | |
4765905 | Kitamura et al. | Aug 1988 |
Entry |
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Patent Abstracts of Japan, vol. 5, No. 8, (C-39), Jan. 20, 1981, & JP-A-55 137 008, Oct. 25, 1980, Kurokawa Fumio, et al., "Diffusion Dialysis". |