Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983304 | Membrane for separation of water-alcohol mixed liquid and process for preparation thereof | Takashi Tsugita, Shinya Takeuchi, Koichi Doi | 1991-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983304 | Membrane for separation of water-alcohol mixed liquid and process for preparation thereof | Takashi Tsugita, Shinya Takeuchi, Koichi Doi | 1991-01-08 |