Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879340 | Adsorbent composed of porous beads of chitosan and adsorption method using same | Soyao Moriguchi, Hiroshi Suzuki, Hiroko Watanabe, Michio Abe, Yasuo Iwata | 1989-11-07 |