Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298615 | Ultra-lightweight, open-pore foamed cellulose materials with large surface areas, having ion-exchangeable functional groups introduced therein | Kimiaki Yasuda, Michiyo Nojiri, Masanao Ohno | 1994-03-29 |