Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169825 | Ammonium ion- and ammonia-selective adsorbent and process for preparation of same | Akira Okubo, Toshihiro Kamewa, Hironobu Hayashi | 1992-12-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169825 | Ammonium ion- and ammonia-selective adsorbent and process for preparation of same | Akira Okubo, Toshihiro Kamewa, Hironobu Hayashi | 1992-12-08 |