Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283359 | Process for producing polyacrylonitrile reverse osmotic membranes | Seiji Takao, Ichiki Murase | 1981-08-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283359 | Process for producing polyacrylonitrile reverse osmotic membranes | Seiji Takao, Ichiki Murase | 1981-08-11 |