Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610853 | Process for producing purified monoammonium phosphate from wet process phosphoric acid | Shigeo Fujii, Tadao Sato, Ikuo Yonehara, Chikashi Fukumura, Kenji Harita | 1986-09-09 |
| 4610862 | Process for producing purified diammonium phosphate from wet process phosphoric acid | Shigeo Fujii, Tadao Sato, Ikuo Yonehara, Chikashi Fukumura, Kenji Harita | 1986-09-09 |